Before the Stone Age: Were the first tools made from plants not rocks?
[ad_1] There are few things more irritating in everyday life than getting something stuck between your teeth. Thankfully, we can reach for a toothpick –
Cancer deaths expected to nearly double worldwide by 2050
[ad_1] Breast cancer cells that have metastasised to the liver Connect Images / Alamy The number of cancer deaths worldwide is expected to nearly double
Spraying rice with sunscreen particles during heat waves boosts growth
[ad_1] Sunrise over rice terraces in Bali, Indonesia Aliaksandr Mazurkevich / Alamy A common sunscreen ingredient, zinc nanoparticles, may help protect rice from heat-related stress,
Natural fibres in wet wipes may actually be worse for soil and animals
[ad_1] Fibres from wet wipes can get into fertilisers if they are flushed down the toilet Linda Kennedy/Alamy Natural fibres that are increasingly being used
3D printing with light and sound could let us copy human organs
[ad_1] A rapid form of 3D printing that uses sound and light could one day produce copies of human organs made from a person’s own
Dazzling images illuminate research on cardiovascular disease
[ad_1] The winning entry, “Calcium rainbow” Charlotte Buckley, University of Strathclyde, British Heart Foundation – Reflections of Research The muscle cells lining an artery resemble
Ancient Mesopotamian clay seals offer clues to the origin of writing
[ad_1] A cylinder seal and its design imprinted onto clay Franck Raux © 2001 GrandPalaisRmn (Musée du Louvre) The world’s oldest known writing system may
The COP16 biodiversity summit was a big flop for protecting nature
[ad_1] Police stand guard in front of a hotel a day ahead of the COP16 United Nations biodiversity conference in Cali, Colombia, on 19 October
Heat can flow backwards in a gas so thin its particles never touch
[ad_1] Diffuse gas particles can behave in a way that contradicts a fundamental law of physics Shutterstock / North10 Heat always spontaneously flows from a
Spraying rice with sunscreen particles during heat waves boosts growth
[ad_1] Sunrise over rice terraces in Bali, Indonesia Aliaksandr Mazurkevich / Alamy A common sunscreen ingredient, zinc nanoparticles, may help protect rice from heat-related stress,