In amoeba world, cheating doesn't pay

(PhysOrg.com) -- Cheaters may prosper in the short term, but over time they seem doomed to fail, at least in the microscopic world of amoebas where natural selection favors the noble.

Programmed cell death may be 1.8 billion years old

Apoptosis, often referred to as programmed cell death, is a fundamental process crucial to the growth and development of multicellular organisms. This process, or a primordial form of it, is also observed in single-celled ...

Researchers brew up organics on ice

(Phys.org)—Would you like icy organics with that? Maybe not in your coffee, but researchers at NASA's Jet Propulsion Laboratory in Pasadena, Calif., are creating concoctions of organics, or carbon-bearing molecules, on ...

Not all altruism is alike, says new study

(Phys.org) -- Not all acts of altruism are alike, says a new study. From bees and wasps that die defending their nests, to elephants that cooperate to care for young, a new mathematical model pinpoints the environmental conditions ...

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