Health & Medicine
Seeing sick faces revs up our immune system, new data show
It activates parts of the brain that detect threats and boosts the activity of at least one type of immune cell.
By Simon Makin
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It activates parts of the brain that detect threats and boosts the activity of at least one type of immune cell.
A mini gym for bats shows that vampire bats burn amino acids, rather than the carbs or fats other mammals rely on during exercise.
Thank photosynthesis for the existence of all complex life on Earth — including us.
Anna’s hummingbirds can use a couple of different techniques to get through gaps smaller than their wingspan.
Compound eyes made up of many smaller visual structures may not produce crisp images, but they offer a great field of view.
Three grand-award winners each took home at least $50,000. Hundreds more teens shared more than $9 million in prizes at the international competition.
Some animals help fight climate change by boosting the amount of carbon dioxide that plants, algae and bacteria absorb from the atmosphere.
Ice guides a 3-D printing method to make realistic, artificial blood vessels. One day, such vessels could be used in lab-grown organs.
The body odors of teens and younger kids share dozens of chemicals in common. But teens have some that infants and toddlers appear to lack.
CT scans of these mysterious creatures turned up bizarre internal features. They could offer clues about amphisbaenians’ largely unknown behavior.