News
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Health & MedicineFirst brain image of a dream created
Feat opens the door to probing the stuff of nocturnal dramas.
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ChemistryHeadache tree is a pain in the brain
Following a gardener’s lead, researchers discover an ingredient in bay laurel that causes uncomfortable swelling of cranial blood vessels.
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PaleontologyTooth stranger than fiction
A mammal fossil unearthed in South America resembles ‘Ice Age’ saber-toothed squirrel.
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LifeThe origin of orbs
Spectacular web designs trace back to a single spider origin.
By Nick Bascom -
SpaceMars’ history is a fluid situation
Recent data from two spacecraft suggest the planet was mostly dry and cold, with a wet, warm subsurface.