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How the biological clock regulates phases of wakefulness
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How the biological clock regulates phases of wakefulness

The circadian clock is an internal biological system that regulates sleep-wake cycles, as well as many physiological functions such as body temperature and hormone production. In many animals, this clock relies on a network of neurons that generates rhythms of approximately 24 ho

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SpaceX launches crew to ISS
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SpaceX launches crew to ISS

The Falcon 9 rocket blasted off from Cape Canaveral with two Americans, a Russian and a Canadian who will spend up to six months aboard the International Space Station.

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This giant stick insect fooled scientists for decades

Scientists have identified two new species of large Australian stick insects, including one that lays extraordinary “lidded” eggs never before recorded in the group. The discovery also revealed that a familiar stick insect had been misidentified for decades, showing how much biod

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