News
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AstronomyHubble finds hints of a planet oddly far-flung from its star
If confirmed, the dark gap in space debris will challenge astronomers' theories.
By Andrew Grant -
PhysicsEchoes create an interior map app
To record size and shape of a room, researchers use a speaker, five microphones and some math.
By Andrew Grant -
AnimalsOysters may struggle to build shells as carbon dioxide rises
Ocean acidification could hamper larvae's growth.
By Erin Wayman -
PhysicsSimple invisibility cloaks hide toys, pets, people
Using everyday materials, two research teams conceal ordinary objects by guiding light around them.
By Andrew Grant -
Health & MedicineDSM-5 enters the diagnostic fray
Fifth edition of the widely used psychiatric manual focuses attention on how mental disorders should be defined.