Neanderthals treated a dental cavity by drilling into the tooth
Three views of the Neanderthal tooth with evidence of dental treatment Hexian Culture, Tourism and Sports Bureau, Ma’anshan A 59,000-year-old Neanderthal tooth found in a
Tiny ‘metajets’ could use light to steer sails for interstellar travel
An artist’s impression of a light sail RICHARD BIZLEY/SCIENCE PHOTO LIBRARY Interstellar travel propelled by light just got one step closer. Light sails, which are
Coffee’s mood-boosting effects aren’t just down to caffeine
Coffee can influence our mood and microbiome Artem Varnitsin / Alamy Both caffeinated and decaffeinated coffee can lead to improvements in mood and cognitive performance,
Honey has been used as medicine for centuries – does it really work?
The health benefits depend on the type of honey you have TihomirLikov/Shutterstock I am a honey fanatic. On sourdough bread with lots of butter, in
2026 will be the hottest year on record, leading scientist predicts
2026 has already seen extensive wildfires in Patagonia, Argentina, linked to extreme weather TOMAS CUESTA / AFP via Getty Images A prominent scientist has predicted
Cancer is increasing in young people and we still don’t know why
Colorectal, or bowel, cancer is one of the forms of the disease that are particularly on the rise among young people Getty Images North America
Gravity’s strength measured more reliably than ever before
Stephan Schlamminger and his colleague, Vincent Lee, examine the torsion balance they used to measure the gravitational constant R. Eskalis/NIST For centuries, physicists have been
98 per cent of meat and dairy sustainability pledges are greenwashing
The dairy industry’s green claims are under scrutiny Witthaya/Getty Images The world’s biggest meat and dairy companies are flooding the public with promises to tackle
Hospital-acquired pneumonia reduced by daily toothbrushing
The benefits of brushing in hospital have been overlooked Drazen Zigic/Getty Images Brushing your teeth while being treated in hospital can significantly reduce your chances
Our dreams become more emotive and symbolic as we approach death
People sometimes report seeing a bright light during near-death experiences, but this symbolism of transition also commonly occurs in dreams as we approach the end