Chemical signal protects migratory locusts from cannibalism

Huge swarms of migratory locusts take on the proportions of natural disasters and threaten the food supply of millions of people, especially in Africa and Asia. As the eighth of the ten biblical plagues, the Book of Moses ...

Darwin's finch and the evolution of smell

Darwin's finches - some 14 related species of songbirds found on the Galapagos and Cocos Islands - will forever be enshrined in history for having planted the seeds of the theory of evolution through natural selection. Today, ...

Study shows how a single gene drives aggression in wild songbird

A new study shows how differentiation of a single gene changes behavior in a wild songbird, determining whether the white-throated sparrow displays more, or less, aggression. The Proceedings of the National Academy of Sciences ...

Plants on Steroids: Key Missing Link Discovered

(PhysOrg.com) -- Researchers at the Carnegie Institution's Department of Plant Biology have discovered a key missing link in the so-called signaling pathway for plant steroid hormones (brassinosteroids). Many important signaling ...

Researchers study the intricate processes underpinning gene expression

A new study led by University of Maryland physicists sheds light on the cellular processes that regulate genes. Published in the journal Science Advances, the paper explains how the dynamics of a polymer called chromatin—the ...

page 5 from 10