The Science Behind Why Some of Us Can’t Grow Big Muscles After Turning 50

There is perhaps no better way to see the absolute pinnacle of human athletic abilities than by watching the Olympics. But at the Winter Games this year – and at almost all professional sporting events – you rarely see a competitor over 40 years old and almost never see a single athlete over 50.   … Read more

Healthy ageing: Strength, balance and mobility are the best predictors of a long life

A US study of older women finds that those who perform well on physical tests have the best chances of living longer, while weight loss may not be beneficial Health 6 January 2022 By Jessica Hamzelou A woman exercising Tatsiana Plotilova / Alamy Stock Photo Weight loss isn’t always beneficial in later life. Older women … Read more

Earth’s Tilted Magnetic Field 41,000 Years Ago Pushed The Auroras to Unexpected Places

If you want to be dazzled by a spectacular northern lights display, your best bet is to skywatch near the North Pole. But that wasn’t the case 41,000 years ago, when a disruption of Earth’s magnetic field sent auroras wandering toward the equator.   During this geomagnetic disturbance, known as the Laschamp event or the Laschamp excursion, … Read more

Dinosaurs: T. rex had more powerful jaws than its theropod ancestors

Theropod dinosaurs, including carnivores like T. rex and herbivores like Therizinosaurus, evolved deeper and stronger jaws over the course of the dinosaur age Life 16 December 2021 By Cameron Duke Theropods of the Late Cretaceous, including Gigantoraptor, Garudimimus and Neimongosaurus Gabriel Ugueto No matter whether they ate meat or plants, theropod dinosaur species had one … Read more

Anti-ageing: Mice treated with a chemical from grape seed extract live 9 per cent longer and are more physically fit

A chemical derived from grape seeds selectively destroys worn-out cells in mice, allowing them to live 9 per cent longer than their untreated counterparts Health 6 December 2021 By Carissa Wong Grapes cut open to reveal their seeds Shutterstock / kholywood A chemical isolated from grape seed extract prolongs the lifespans of old mice by … Read more