Do you really know? cover art

All Episodes

Do you really know? — 451 episodes

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Title
1

How can I cope with post holiday blues?

2

Do women really watch less porn?

3

Can you really lose weight by walking?

4

What are the most hydrating foods?

5

Is period underwear really better for the environment?

6

What are the worst Everest tragedies?

7

Should I eat starchy foods in the evening?

8

Are additives bad for your health?

9

How can I choose the right mattress for me?

10

What is attachment theory?

11

Are girls really worse at maths?

12

Why do we get bad breath in the morning?

13

Who is the richest man in history?

14

What is a testicle bath?

15

What is gooning during masturbation?

16

What to do when you’re exhausted after your holidays?

17

Is it better sleeping with or without a pillow?

18

Does music really make us more productive?

19

Has the climate breakdown really begun?

20

Why should you pee after having sex?

21

What are the craziest beauty ‘standards’ in history?

22

What are silent discos?

23

Are cold showers good for you?

24

What is confirmation bias and how does it affect our judgement?

25

Is it best sleeping in total darkness?

26

Does sex help us to sleep better?

27

What is mirror work?

28

What should you eat when it’s hot?

29

How can you keep wasps away?

30

How is AI giving a voice to the dead?

31

How can I wake up refreshed every morning?

32

Why do we drive on the left hand side of the road?

33

Could you be micro-flirting without realising it?

34

What is squirting?

35

What are blue zones?

36

What is Godwin’s Law?

37

What is Maslow’s hierarchy of needs?

38

How has Taylor Swift changed USA?

39

What is Ocean Viking?

40

What is the #QuitMyJob trend?

41

What does loneliness do to our brains?

42

Why are more and more children suffering from virtual autism?

43

What is rape culture?

44

Can you get food poisoning from raw fish?

45

What is the ‘Yes Man’ Technique?

46

What is terraforming?

47

Could unfaithfulness be caused by genetics?

48

What is the Pegasus Project?

49

What is geophony?

50

Does the G spot really exist?

51

What is broken heart syndrome?

52

Why should I avoid showering after a workout?

53

Could moon breathing help you sleep better?

54

What is empty nest syndrome?

55

Could the PAUSE method help me make better decisions?

56

What is eco-anxiety?

57

What are Fan Tokens?

58

What is mucosal immunity?

59

Which of Asimov's predictions have come true?

60

What are sonic weapons?

61

How can I have a healthier relationship with my smartphone?

62

Does the law of attraction really work?

63

What are the best ways to reuse my household waste?

64

Is shaving too often bad for you?

65

Why are we having children later and later?

66

What are the Puppy Blues?

67

What is the global bike shortage?

68

What is a heat dome?

69

What is space tourism?

70

What is the black fungus epidemic?

71

What is sapiosexuality?

72

Why do friend breakups hurt so much?

73

How can I beat my smartphone addiction?

74

How to make the most out of hybrid working?

75

What's the best way to organise my fridge?

76

Is eating fish still good for you?

77

What is Sisu?

78

What are the best ways of beating procrastination?

79

What is conscious quitting?

80

Can deep sleep help stop dementia?

81

Which foods and drinks stain teeth?

82

Would you be more likely to go to work if you could bring in your pet?

83

Do penises really get bigger in the summer?

84

Can exercise snacking help me beat a busy schedule to stay fit?

85

Why do people consider the number seven lucky?

86

What's the best way to organise my fridge?

87

Could the Pomodoro technique help me work better ?

88

Should I walk 10000 steps a day?

89

What is misogynoir?

90

Why do some people say slum tourism a bad thing?

91

What is bae-realing, the new dating trend?

92

What can supermarkets do to reduce food waste?

93

How can I stop smoking?

94

Could the deep work technique help me concentrate better at work?

95

What is the windscreen phenomenon?

96

Could summer shading pose a threat to your relationship ?

97

Is "quiet quitting" helping employees find a better work-life balance?

98

How can I ease my foot pain?

99

What are the secrets behind the Lord of the Rings saga?

100

Do I really need to flush toxins out of my body?

101

Who are digital nomads, the new generation of remote workers?

102

Why are you exhausted after a day in the sun?

103

What did the Jane Collective do for US women’s rights?

104

What are lolcows, the unwitting targets of online bullies?

105

How can I get a sun tan safely?

106

Will the British museum finally give back the Parthenon marbles?

107

What is sex surrogacy, the controversial sex therapy?

108

What explains the rise of birth tourism?

109

How can I keep my exercise eco-friendly?

110

How often should you wash your bedsheets?

111

Resale, repair, rental, refill… could this be the new way to shop?

112

How can I cut my summer holiday spending?

113

How can I improve my sporting performance through mental preparation?

114

How can we choose the right sunscreen product?

115

Could tourism quotas help preserve endangered local environments?

116

What does Mercury in retrograde mean?

117

How did Feta cheese end up causing an international legal battle?

118

What is trauma dumping, the toxic equivalent of oversharing?

119

Why should I eat more fermented foods?

120

How does Paris syndrome affect some visitors to the French capital?

121

Does voluntourism do more harm than good?

122

What are the signs you might have sleep apnea?

123

Why do I have white spots on my nails?

124

Can carbon farming help us reach net zero by 2050?

125

How can I beat a hangover?

126

What does the future hold for the Amazon rainforest?

127

What is mom shaming?

128

Do you know about home design maximalism?

129

Can you get rid of cellulite?

130

What is the Karpman drama triangle?

131

Why is physical contact important for our health?

132

How can you save money on your food bill?

133

Why do crowd crushes happen?

134

What can I do to relieve heartburn?

135

How can I prepare my home for a blackout?

136

Can standing on one leg save your life?

137

What should I eat before going to bed?

138

Why has astrology come back into fashion?

139

How does the 3-30-300 rule affect my mental health?

140

What is menstrual leave?

141

What is goblin mode?

142

What are the best holiday destinations?

143

Should my next holiday be a staycation?

144

What are nepo babies?

145

What is synthetic fuel?

146

What is 'Tomato Girl summer'?

147

What is productivity paranoia?

148

Why are my ears ringing?

149

Is holding back a sneeze dangerous?

150

How can I relax my brain while on holiday?

151

Is it bad to drink water with a meal?

152

Why is my circadian rhythm so important?

153

What do I need to know before getting laser eye surgery?

154

What is false memory syndrome?

155

Does sleeping next to someone improve sleep quality?

156

How can I overcome my fear of speaking in public?

157

Which foods mustn't you put in the microwave?

158

Why are celebrities dissolving their facial fillers?

159

What does the popcorn index teach us about the economy?

160

What are the dirtiest objects in your home?

161

Discover our podcast in French: Maintenant Vous Savez!

162

Could "mouth taping" really help me sleep better?

163

Are you an “ambivert”?

164

How can you tell if you’re stingy?

165

How can you secure your home before leaving on holiday?

166

What can be done about snoring?

167

What is class-passing?

168

What is the influence of the God complex in the workplace?

169

Should I be cleaning my belly button?

170

Could intentional lazy parenting foster your child's independence?

171

What is climate optimism?

172

Why do we get the post-sex blues?

173

How can I save money when using electrical appliances?

174

Is Britain the new place to get your wine?

175

Can plants communicate with one another?

176

What is Mukbang, the latest type of video going viral on social media?

177

What are the alternatives to air conditioning?

178

Can I reuse sunscreen from one year to the next?

179

Is remote work here to stay?

180

What is cybersickness, the mysterious condition linked to screen use?

181

Are women really more emotional than men?

182

What is the Pygmalion effect?

183

How can I recognise a narcissistic pervert?

184

Which five foods slow ageing?

185

What is the Golem effect?

186

What is the two-day rule?

187

How is AI being used in the legal system?

188

What are energy vampires?

189

How can I eat healthy on a budget?

190

What is Extinction Rebellion ?

191

What is Neo-Luddism, the growing anti-technology movement?

192

Could I save more money by cash stuffing?

193

What is plasticrust, the latest concerning form of pollution?

194

Why can't Royals take selfies ?

195

How does the 'vegan but bacon' outlook help people achieve their goals?

196

What is the 10-10-10 method for dealing with everyday worries?

197

How is inflation affecting our eating habits?

198

Could the human race become infertile?

199

What is the placebo effect and how does it work?

200

Is swallowing chewing gum dangerous?

201

How do eating disorders develop?

202

How is hygiene poverty affecting over 3 million Brits?

203

Could AI ever be able to offer therapy?

204

Why are there calls for a halt to AI research?

205

Why are most people right-handed?

206

What makes us ticklish?

207

How is catch-up culture ruining our friendships?

208

What is Ulysses Syndrome?

209

What are the health benefits of algae?

210

Could vanlife be a lifestyle choice for you?

211

Can going braless be good for you?

212

Why do we get verrucas?

213

What’s the best sleeping position?

214

What are the warning signs of a toxic friendship?

215

Is drinking decaf bad for my health?

216

What are the latest advances in lung cancer treatment?

217

Why do our friendships last seven years?

218

How did Internet Explorer go out of fashion?

219

How can I recognise an AI-generated image?

220

Is using cotton buds bad for your ears?

221

What is sadfishing?

222

What are parasocial relationships, the one-sided connections between celebs and their fans?

223

Do I have generalised anxiety disorder?

224

Is bikini waxing harmful for your health?

225

Can I get health benefits from masturbation?

226

How does "death cleaning" help you declutter your life?

227

Am I in a situationship?

228

Why is yawning contagious?

229

How can I cut down my petrol usage?

230

What is Burning Man, the mysterious desert gathering?

231

Is sleeping with my phone dangerous ?

232

What is shy bladder syndrome?

233

Could zero dates make your love life more efficient?

234

Could insects replace meat?

235

What is orthorexia, the disorder which sees healthy eating go too far?

236

Why were the queen’s bees told of her death?

237

Is it still worth doing your washing during off-peak hours these days?

238

Is feeding birds in your garden a bad idea?

239

Is binge drinking over in the UK?

240

What is an inclusive Barbie?

241

What is the psychology behind the bystander effect?

242

What are the warning signs of depression?

243

Why is the manosphere going crazy for pilates girls?

244

Why am I experiencing deja vu?

245

Should I be worried about my diarrhea?

246

What is “Act your Wage”, Gen Z’s latest work-life trend?

247

Why is there such a taboo over the prostate?

248

Could smartphone use be giving you text neck?

249

What is the optimism bias?

250

Why do we spend more when we pay by card?

251

Is it bad to hold in your pee?

252

How can I save on my water bill?

253

Aquamation : what are the advantages of being buried in water?

254

What are earworms, the songs we just can't get out of our heads?

255

Who are the "never coviders" that have scientists fascinated?

256

Why do we put on weight when in a relationship?

257

What is the war on wee?

258

What are "almond moms"?

259

Is drinking coffee really bad for your health?

260

Why do we get grumpy when we're hungry?

261

How can I learn 1000 words in a new language?

262

Is the sugar in fruit actually good for you?

263

How can I save money on my gas bill?

264

What is the "no-wash" movement?

265

Can naps keep the brain healthy?

266

What is Lego?

267

What is a home exchange?

268

How can I best preserve food in my freezer ?

269

What is a salt tooth ?

270

Are rude people really smarter?

271

Why don't scars disappear?

272

What are the dangers with being overly perfectionist?

273

Where does Mother’s day come from?

274

What three things do I need to know about the clitoris?

275

What is dissociative identity disorder?

276

How can you improve your memory and recall skills?

277

Do anti-anxiety patches really work?

278

Why am I getting bags and circles under my eyes?

279

What are the risks of using running apps?

280

How do sim swapping scams work?

281

Are baths or showers better for our health?

282

What does it mean to be a seenager?

283

Why is exercise good for my skin?

284

What are mirror hours?

285

Why is it so hard to remember people’s names?

286

Why do our tastes change as we get older?

287

Do I have poor blood circulation?

288

What is the olive theory from Tiktok?

289

Should you be reducing salt in your diet?

290

What is environmental racism?

291

What are the strangest reactions caused by an orgasm?

292

Why are young men becoming more and more misogynistic?

293

Could brain dumping help you manage your anxiety?

294

What is Fridgescaping?

295

Why do children have imaginary friends?

296

Why do web addresses start with www?

297

Is sex without feelings ever a good idea?

298

Is breakfast really the most important meal of the day?

299

What is chemical submission?

300

What is ecological debt?

301

Does being a vegetarian lead to dietary deficiencies?

302

What is the best time of day to take a shower?

303

Could sofa theory help you find your ideal partner?

304

How long do people have sex for?

305

Why should you be happy to see spiders in your home?

306

What is de-extinction?

307

How do aeroplanes fly?

308

Can a messy desk help some people work better?

309

Is staying friends with an ex really a good idea?

310

Who was the real Count of Monte Cristo?

311

Is it really good to drink coffee every morning?

312

How to choose the best detergent?

313

How did domestic violence become legal in Afghanistan?

314

Is it dangerous if I get heart palpitations?

315

What is the Oosouji method of house cleaning?

316

Which foods should I avoid after their expiry date?

317

How can I improve my posture in the office?

318

Why do we blow out candles on birthdays?

319

What benefits can we get from journaling?

320

What are plant milks?

321

How can I meditate without meditating?

322

What is “community entrenchment” and why can it make us believe fake news?

323

Have you ever looked in the mirror and not recognized yourself?

324

What is social jet lag?

325

Is sleeping in bad for your health?

326

Which foods change our body odour?

327

Could unfaithfulness be caused by genetics?

328

Can I cure my fear of spiders?

329

Why does looking at the sun make me sneeze?

330

Why does not getting enough sleep make you selfish?

331

Why do couples often look alike?

332

Do our brains really tell the whole story about us?

333

Why are young people looking so old?

334

Why doesn’t every language have a word for blue?

335

What is muscle dysmorphia?

336

Does money really make us happy?

337

How do you explain intuition?

338

What is digital sobriety?

339

Can we really multitask effectively?

340

What is sexsomnia?

341

Should we all be working a 4 day week?

342

What is Focus Friday?

343

How can you stop giving in to impulse buying?

344

What is the soft evening concept from Tiktok?

345

Why do we get great ideas in the shower?

346

What is the keto diet?

347

What are the dangers of overusing paracetamol?

348

What is astropsychology?

349

Are micro naps actually effective?

350

What are pick me boys?

351

What was the Nazis' Madagascar Plan?

352

How can I limit the effects of sugar on my health?

353

Does stress really cause grey hair?

354

Why are there more cancer deaths than ever before?

355

Why do mouth sounds drive some people crazy?

356

Is oversleeping bad for you?

357

Does true crime help us fall asleep?

358

Why is black associated with grief?

359

Could SMART goals help you reduce stress?

360

Is cracking my knuckles bad for me?

361

How often should I cut my hair?

362

What is polycystic ovary syndrome?

363

Why is it so hard to disobey?

364

Why do we hiccup?

365

Has the mystery of the Bermuda Triangle finally been solved?

366

Are protein bars really worthwhile?

367

How can you boost your morale in just 8 minutes?

368

Why do our bodies need to sleep?

369

Why did Tiktok ban the "legging legs" trend ?

370

What are five foods that make us happy?

371

Will the meat of the future be printed in 3D?

372

What is hobby dating?

373

Why are some people constantly sexually aroused?

374

How small is a micropenis?

375

What's the happiest country in the world?

376

Could Highlander syndrome help humans become immortal?

377

What is quiet hiring?

378

Are my smart devices spying on me?

379

How can I beat Monday morning syndrome?

380

Is taking milk with coffee good for you?

381

How does doom spending stop us from saving money?

382

Why do men often wake up with an erection?

383

What is King Charles’ role in the Church of England?

384

How quick is premature ejaculation?

385

Why is Noah syndrome so dangerous?

386

Why are women’s rights regressing?

387

How does the "Scully Effect" raise young women's interest in science fields?

388

Should I cut the electricity at home during a storm?

389

Has the climate breakdown really begun?

390

Why do we get great ideas in the shower?

391

How should I organise my fridge?

392

What are the warning signs of a toxic friendship?

393

Where does the myth of the Loch Ness Monster come from?

394

Does sleeping next to someone improve sleep quality?

395

What is climate shadow, the newest way to measure your impact on global warming?

396

How did Ozempic get so popular?

397

How can I overcome my fear of speaking in public?

398

What is future faking?

399

How can I cope with post holiday blues?

400

Is it a bad idea to fall asleep in front of screens?

401

What is 'Tomato Girl summer'?

402

Should my next holiday be a staycation?

403

What is domotics, the technology behind smart homes?

404

How can I cut my summer holiday spending?

405

Is Bedrotting bad for your health?

406

Why do we get travel sick?

407

What are the world's least safe travel destinations?

408

What is sea snot?

409

How is AI being used in the legal system?

410

How can I relax my brain while on holiday?

411

Why are some deadly diseases re-emerging?

412

How can we choose the right sunscreen product?

413

What are the biggest misconceptions on beating heatwaves?

414

What is vitamin D?

415

Why has astrology come back into fashion?

416

How can heatwaves impact our mental health?

417

What is London's No Trouser Day?

418

What is attachment theory?

419

Should I quit air travel to save the planet?

420

Why do I have white spots on my nails?

421

How does the "Scully Effect" raise young women's interest in science fields?

422

Is binge drinking over in the UK?

423

What’s the worst kind of meat for the environment?

424

What's the ideal temperature to stay healthy at home?

425

How can I cut my summer holiday spending?

426

How can I stay cool at home during summer?

427

How does Paris syndrome affect some visitors to the French capital?

428

Why does hair turn grey?

429

Why do we change clocks twice per year?

430

What are Butler Cafés?

431

How did the Act Up group change the way we think about AIDS?

432

How to protect your art from AI exploitation?

433

How will our bodies adapt to climate change?

434

What is the Dunning Kruger effect, the phenomenon that causes overconfidence?

435

How can I avoid putting on weight when giving up smoking?

436

What is mansplaining?

437

What is climate shadow, the newest way to measure your impact on global warming?

438

Which five foods slow ageing?

439

What is the coffee cup test in job interviews?

440

How can I recognise ultra-processed foods?

441

What is omphalophobia, the fear of belly buttons?

442

Does sleeping next to someone improve sleep quality?

443

Why do women live longer than men?

444

How have dating apps broken into the friendship market?

445

Aquamation : what are the advantages of being buried in water?

446

What is an inclusive Barbie?

447

What is shrinkflation, the sneaky tactic manufacturers are hiding from consumers?

448

What are the dangers of using nitrous oxide - the laughing gas drug?

449

How can I take part in Giving Tuesday?

450

How can I recognise ultra-processed foods?

451

Aquamation : what are the advantages of being buried in water?