News

Animals

Fish Switch: Salmon make baby trout after species, sex swap

Salmon implanted with trout reproductive tissue bred to produce a generation of normal rainbow trout.

Planetary Science

Survivor: Extrasolar planet escapes stellar attack

An extrasolar planet survived after its aging parent star ballooned into a red giant that almost engulfed it.

Physics

Alliance of Opposites: Electrons and positrons make new molecule

Positronium, consisting of electrons and their antimatter counterparts, has been made into a molecular form.

Health & Medicine

Blood vessel growth factor also does housekeeping

A growth factor that promotes blood vessel development also maintains normal blood vessel health, perhaps explaining the vascular side effects of some cancer drugs.