Neutral evolution shapes lifespan and aging

Different African killifish species vary extensively in their lifespans—from just a few months to several years. Scientists from the Max Planck Institute for Biology of Ageing in Cologne investigated how different lifespans ...

Imitation breeds war in new evolutionary theory

When anthropologists consider the origins of warfare, their evolutionary theories tend to boil it down to the resource-scarcity trifecta of food, territory and mates—three resources that would justify the loss of life and ...

Spiders risk everything for love

University of Cincinnati biologist George Uetz long suspected the extravagant courtship dance of wolf spiders made them an easy mark for birds and other predators.

Phage display for engineering blood-contacting surfaces

Surfaces that enable endothelial cell attachment without causing blood clotting are needed for various tissue engineering efforts. A new approach involving phage display has been used to identify unique peptides with these ...

Directed evolution comes to plants

A new platform for speeding up and controlling the evolution of proteins inside living plants has been developed by a KAUST-led team.

Snack peppers find acceptance with reduced seed count

John Stommel of the Agricultural Research Service of the US Department of Agriculture (USDA-ARS) has investigated the desirability for, and practicality of, producing snack peppers, both sweet and hot, with low seed count.

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