The brain’s body map doesn’t reorganize itself after limb amputation, a study found, challenging a textbook idea in ...

Anna says, “Seven apples and five pears cost the same as six peaches.” Britta says, “Four apples and nine peaches cost the ...

Ivan Farkas is a freelance science writer covering astronomy, astrophysics and other topics. Subscribe to Scientific American ...

Adam Rogers is a journalist covering science, technology and culture. A former editor at WIRED and senior correspondent at ...