Primitive-plant uber-geek's heart belongs to lycopods

(Phys.org)—When Jeff Benca moved to Berkeley last month, he came so loaded with valuables he had to rent a truck. Make that a cargo van, air-conditioned to accommodate its contents—thousands of plant starts, many of them ...

Sex chromosome evolution tracked in fruit fly

(Phys.org) -- Fruit flies are commonly used in genetics research because their lifespan is short, they are easy to breed in the laboratory, and mutants are widely available. There are about 1,500 known species. Now a new ...

Evidence of impending tipping point for Earth uncovered

A prestigious group of scientists from around the world is warning that population growth, widespread destruction of natural ecosystems, and climate change may be driving Earth toward an irreversible change in the biosphere, ...

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