2026.02.18 – Dr Karl Kruszelnicki – Wednesday’s with Dr Karl

1) If you do just 5 episodes of accidental/incidental “lifestyle” vigorous exercise each day, just one minute long, that will reduce your risk of various cancers and cardio-vascular disease by 30-40%. That “vigorous” exercise is (for example) walking quickly on the flat, walking up stairs, etc. 2) There are some 10,000 Starlink satellites in orbit, providing Internet access to remote areas. 3) What is the most abundant vertebrate on Earth?