#300Have we got the appendix all wrong?For a long time the appendix was considered disposable. After all, millions of people have... moreYesterday13 MINS13:26Yesterday
#299Surviving 200 snake bites, decoding ancient scrolls and the countries ‘flourishing’Science correspondent Hannah Devlin joins Ian Sample to discuss three intriguing science s... more08 May 202521 MINS21:2208 May 2025
#298How old are we really? What a test can tell us about our biological ageDirect to consumer tests that claim to tell us our biological – as opposed to chronologica... more06 May 202516 MINS16:2406 May 2025
#297Why did Spain and Portugal go dark?Authorities are still trying to understand what triggered the massive power outage that le... more01 May 202516 MINS16:2901 May 2025
#296Why did Just Stop Oil just stop?Just Stop Oil, the climate activism group behind motorway blockades, petrol station disrup... more29 Apr 202518 MINS18:2729 Apr 2025
#295Evidence of alien life, a clue about the rise of bowel cancer, and a new colour?Madeleine Finlay and Ian Sample discuss three intriguing science stories from the week. Fr... more24 Apr 202520 MINS20:4324 Apr 2025
#294Is ‘de-extinction’ really possible?The American biotech company Colossal Biosciences recently made headlines around the world... more22 Apr 202516 MINS16:2622 Apr 2025
#293RFK Jr’s mixed messages on vaccinesAs a measles outbreak expands across the US, comments by health secretary Robert F Kennedy... more17 Apr 202517 MINS17:5317 Apr 2025
#292What 40 years as Observer science editor has taught Robin McKieRobin McKie reflects on his 40 years as science editor for the Observer and tells Madelein... more15 Apr 202519 MINS19:4315 Apr 2025
#291Streams of medicines: how Switzerland cleaned up its actSwitzerland is leading the world in purifying its water of micropollutants, a concoction o... more10 Apr 202515 MINS15:5410 Apr 2025
#290Streams of medicines: what’s hiding in the UK’s waterways?The UK is known for its national parks: areas of outstanding natural beauty with rolling h... more08 Apr 202515 MINS15:5508 Apr 2025
#289‘Parasites should get more fame’: the nominees for world’s finest invertebrateInvertebrates don’t get the attention lavished on cute pets or apex predators, but these u... more03 Apr 202518 MINS18:1603 Apr 2025
#288Keto: what’s the science behind the diet?While other diet fads come and go, the ultra low carbohydrate Keto diet seems to endure. B... more01 Apr 202517 MINS17:1601 Apr 2025
#287The rise and fall of DNA testing company 23andMeThe genetic testing firm 23andMe has filed for bankruptcy, another twist in the story of a... more27 Mar 202521 MINS21:4927 Mar 2025
#286Where do our early childhood memories go?It’s a mystery that has long puzzled researchers. Why can’t we remember our early childhoo... more25 Mar 202518 MINS18:3725 Mar 2025
#285What a dark energy discovery means for the fate of the universeDark energy, the mysterious force powering the expansion of the universe, appears to be we... more20 Mar 202516 MINS16:0820 Mar 2025
#284A mysterious millionaire and the quest to live under the seaBefore billionaires dreamed of setting up communities on Mars, the ocean was seen as the n... more18 Mar 202516 MINS16:0218 Mar 2025
#283Use it or lose it: how to sharpen your brain as you ageMany of us believe that cognitive decline is an inevitable part of ageing, but a new study... more13 Mar 202514 MINS14:0313 Mar 2025
#282Mars-a-lago? Did the red planet once have sandy beaches?The Mars we know now is arid and dusty, with punishing radiation levels. But, as science c... more11 Mar 202513 MINS13:5211 Mar 2025
#281Moon missions, Musk v scientists, sperm and longevityMadeleine Finlay and Ian Sample discuss three intriguing science stories from the week. Fr... more06 Mar 202522 MINS22:4606 Mar 2025