Why do birds typically live longer than mammals?

Why do birds typically live longer than mammals? A new paper offers a hint, albeit not a conclusive answer. Assistant Professors of Biology Cynthia Downs and Ana Jimenez at Hamilton College and Colgate University respectively ...

Biosynthesis of widespread pigments from bacteria revealed

Bacteria can protect themselves from the attack of free radicals using specific natural products in their membranes. The biosynthesis of one of the most common protective pigments that could also be of interest for the medical ...

Bird immune systems reveal harshness of city life

They may peck greedily at feeding tables—and have it easier than country birds do in the warmer urban winters—but city birds, it turns out, are in turmoil on the inside.

Waking sleeping plants with plasmas

Commercial crops like grapes, peaches, berries and flower bulbs all go dormant in the winter, essentially sleeping through the seasonal cold before they resume growing, flowering and fruiting again in the warmer months.

Anemones take the heat with a little help from their friends

A core set of heat-stress-response genes has been identified in anemones in a study that also highlights the role of symbiotic algae in coping with temperature, an important revelation for planning conservation efforts.

Selenium protects specific interneurons in the brain

Exactly 200 years ago, the Swedish scientist Jöns Jacob Berzelius discovered the trace element selenium, which he named after the goddess of the moon, Selene. Besides its industrial applications, selenium is an essential ...

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