Hummingbirds can drop their body temperature below 4°C when they rest
Hummingbirds are among the few animals that can enter a hibernation-like state to preserve energy, but now researchers have seen them reaching extremely low body temperatures
Hummingbirds are among the few animals that can enter a hibernation-like state to preserve energy, but now researchers have seen them reaching extremely low body temperatures
To test the sensors in the largest digital camera ever built, scientists at the SLAC National Accelerator Laboratory focused in on a Romanesco cauliflower, producing one of the biggest digital photographs ever taken
Trees are growing faster because of rising CO2 levels and temperatures, but also dying younger, meaning existing forests will store less carbon than forecast and climate change will be worse than expected
Sticking a small, patterned patch on large objects such as planes can trick AI detectors trained to spot military assets in drone images
We understand so little about octopuses that whenever we look we seem to find out more about them. Netflix documentary, My Octopus Teacher, follows filmmaker and naturalist Craig Foster’s attempts to understand them further
Being in space leads to muscle and bone loss, but an experimental drug given to mice on the International Space Station counteracted this effect. It could help people who are bedridden on Earth
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Any lunar influence on our health has long been dismissed as unscientific. But new evidence means it may be time to re-evaluate the moon’s subtle effects on our sleep and mental health
David Attenborough’s new BBC documentary Extinction: The Facts is a whistle-stop tour of our destruction of nature. Biodiversity loss “isn’t just disturbing, it’s deeply tragic”, he says
When a collection of atoms is cooled to just above absolute zero, they can act as one, and control light through their electrical and magnetic interactions with it
A study of winter sea ice in the Bering Sea over the past 5500 year suggests that all the ice will be lost within decades, with knock-on effects for the Arctic
A quantum communications network running on optical fibres in Bristol, UK, is the largest of its kind with eight users, but its creators say it could handle more than 100 people in future