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How long does it take the sun to rotate?The time it takes for the sun to completely rotate depends where on the sun you are measuring.
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The 10 deadliest cancers, and why there's no cureThe deadliest cancers aren't necessarily the ones that kill the most people overall; they're the ones with the lowest survival rates.
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How do cats get their spots?Scientists have identified some of the involved genes behind cats' spots, but there's still a piece missing.
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What is Darwin's Theory of Evolution?Reference In 1859, Charles Darwin published his ideas that humans and animals change over time. But what is the Theory of Evolution?
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Will monkeypox become a pandemic?Surprisingly, there is no official definition of a pandemic.
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Invisible nerve-cell superhighway allows fat cells to 'talk' to the brain — and it may promote obesityIn a mouse study, scientists visualized the neurons that let fat communicate with the brain.
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Does vitamin D protect against COVID-19?In the absence of a COVID-19 cure or vaccine, scientists are investigating whether vitamin D can reduce the risk of COVID-19 infection.
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Signs of labor: 6 clues baby is on the wayReference Find out how to spot the common signs of labor and discover some things you can do to promote labor
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Did Benjamin Franklin really want the turkey to be the US national bird?Franklin was being sarcastic. But dig into the story of how the myth arose and it just gets weirder and weirder.
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What's the most sunsets you could see on Earth in one day?Most people see only one sunset a day. How many more could you catch, if you really tried?
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What would happen if the speed of light were much lower?Here's what would happen if the speed of light were orders of magnitude slower.
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What chronic fatigue syndrome can teach us about 'long COVID'Existing knowledge about ME/CFS might be able to help some long COVID patients, and vice versa.
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What is postpartum depression?Many parents experience postpartum depression. Here's what it looks like and how it can be treated.
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Should 12-year-olds get the COVID-19 vaccine?The benefits of vaccinating young people against COVID-19 outweigh the risks, experts say.
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Laughing gas may treat depression, small study suggestsAs many as one in three cases of depression are resistant to standard treatments. Could laughing gas be an alternative?
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Human brain: Facts, functions & anatomyThe human brain is the command center for the human nervous system.
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Tooth sensitivity: Causes and remediesTooth sensitivity is a common dental problem that involves discomfort or pain in teeth when encountering certain substances and temperatures.
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Do other animals get heart attacks?Humans may be heart-attack-prone because of a mutation that keeps us from making a particular sugar molecule.
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What is the most genetically diverse species?Genetic diversity helps organisms adapt to environmental changes.
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Researchers can now collect and sequence DNA from the airFor the first time, researchers have collected animal DNA from mere air samples.
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Chemical found in 1,000 processed foods may harm the immune systemThe food preservative is found in Pop-Tarts, Cheez-Its and many other processed foods.
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Was the 'forbidden fruit' in the Garden of Eden really an apple?It could have been a fig, grapes, citron, a pomegranate or even wheat.
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More than 50 new environmental chemicals detected in peopleThe vast majority of these chemicals are mysterious compounds with unknown sources.
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Which animal has the largest ears?The animal with the largest ears relative to body size is actually quite tiny.
