Humans
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BrainWhy we aren’t really ‘left-brained’ or ‘right-brained’
The idea that we use different sides of the brains to be creative or logical is popular — but it’s not supported by science. Here’s why.
By RJ Mackenzie -
ArchaeologyAn Egyptian mummy’s silent ‘scream’ hints at her violent death
A rare muscle stiffening known as a cadaveric spasm might explain the mummy’s open-mouthed expression.
By Bruce Bower -
Science & SocietyScientists Say: Dialect
Different dialects of the same language have distinct words, pronunciations and sentence structures.
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PsychologyStruggling to find happiness? Here are some paths to positivity
Teens can become happier by being kind to themselves and connecting with others — in person, rather than online.
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BrainHere’s why being creative is good for your brain
Neuroarts, a new field of science, is finding that exposure to arts can improve learning, behavior and mental health.
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AnimalsIn 2024, bird flu posed big risks — and to far more than birds
Cows, elephant seals and polar bears are among unexpected bird flu casualties. Learn about potential risks to them, to people and to our food supplies.
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AnimalsCan furry pets get H5N1 bird flu and spread it to us?
The 2024 pandemic-style bird flu circulating in birds has shown up in cats and other pet species.
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GeneticsThe discovery of microRNA wins the 2024 Nobel Prize in physiology
Victor Ambros and Gary Ruvkun discovered tiny snippets of genetic material, called microRNAs, that play a big role in making sure cells work as they should.
By Tina Hesman Saey and Sophie Hartley -
ArchaeologyScientists Say: Stone Age
This vast, mysterious stretch of time marks the dawn of human civilizations.
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MicrobesMore than 100 types of bacteria found living in microwave ovens
More than 30 microwave ovens were sampled in a range of different settings. The microbes in them included ones that can cause food poisoning in people.
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ChemistryExplainer: How cells use chemistry to make the electricity of life
Charged particles, or ions, constantly move in and out of cells. These migrations produce tiny electric currents, which power your brain, heart and more.
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Health & MedicineExplainer: Anatomy of a heartbeat
Here’s how the heart pumps blood to each and every cell of the body. It beats roughly 60 times every minute, starting before we’re born.