Feature
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PaleontologyFlightless Feathered Friends
New finds of fossil penguins, as well as analyses of the characteristics and DNA of living penguins, are shedding light on the evolution of these flightless birds.
By Sid Perkins -
Health & MedicineAsthma Counterattack
After several experimental attempts, researchers finally have verified that fighting allergens in the household can reduce symptoms of asthma.
By Ben Harder -
EcosystemsOne-Celled Socialites
A wave of research on the social lives of bacteria offers insights into the evolution of cooperation and may lead to medical breakthroughs that neutralize virulent bacterial strains.
By Bruce Bower -