Communicating nightingales: Older males trill better

Older male nightingales perform faster and more demanding trills than their younger rivals. These findings were published by researchers at the University of Basel and the Netherlands Institute of Ecology in the online edition ...

Animals have personalities, too

An individual's personality can have a big effect on their life. Some people are outgoing and gregarious while others find novel situations stressful which can be detrimental to their health and wellbeing. Increasingly, scientists ...

All-access genome: New study explores packaging of DNA

While efforts to unlock the subtleties of DNA have produced remarkable insights into the code of life, researchers still grapple with fundamental questions. For example, the underlying mechanisms by which human genes are ...

Study: Progesterone leads to inflammation

Scientists at Michigan State University have found exposure to the hormone progesterone activates genes that trigger inflammation in the mammary gland.

Every egg is different

Migratory birds have to allocate their resources for reproduction in an efficient way in order to commence breeding shortly after arrival. Researchers from the Max Planck Institute for Ornithology in Seewiesen studied pectoral ...

Conserved gene expression reveals our 'inner fish'

A study of gene expression in chickens, frogs, pufferfish, mice and people has revealed surprising similarities in several key tissues. Researchers writing in BioMed Central's open access Journal of Biology have shown that ...

Software speeds up molecular simulations

(PhysOrg.com) -- Whether vibrating in place or taking part in protein folding to ensure cells function properly, molecules are never still. Simulating molecular motions provides researchers with information critical to designing ...

Crafty Australian crayfish cheat

Nestled just off the east coast of Australia, picturesque North Stradbroke Island is a haven for local wildlife. Yet some of the inhabitants of the island's creeks and swamps are far from peaceful. Slender crayfish are aggressive ...

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