News
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Health & MedicineKids with food allergies are twice as likely to have autism
Children with food allergies are more likely to have autism than kids without, a study finds. But that doesn’t mean a child will develop the disorder.
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ArchaeologyThis theory suggests few workers were needed to cap Easter Island statues
A small workforce may have put huge stones on the heads of Easter Island statues.
By Bruce Bower -
AnimalsBees join an exclusive crew of animals that get the concept of zero
Honeybees can pass a test of ranking ‘nothing’ as less than one.
By Susan Milius -
Planetary ScienceCuriosity finds that Mars’ methane changes with the seasons
The Curiosity rover found seasonally changing methane in Mars’ atmosphere and more signs of organic molecules in an ancient lake bed.