News tagged with reproductive biology

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Night lights affect songbirds' mating life

In today's increasingly urbanized world, the lights in many places are always on, and according to a report published online on September 16 in of Current Biology, a Cell Press publication, that's having a real ...

Sep 16, 2010
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Playboy males live fast, die young

(PhysOrg.com) -- Promiscuous males are so intent on pursuing sexual partners that they can neglect even essential tasks such as eating, says a new study published in the Journal of Evolutionary Biology.

Sep 03, 2010
3.8 / 5 (4) 0

Egg cells use unusual method of division

(PhysOrg.com) -- In a study of egg cells using time-lapse microscopy, researchers at the University of California, San Diego School of Medicine and the Ludwig Institute for Cancer Research have discovered an unusual property ...

Aug 27, 2010
4.8 / 5 (8) 0 | with audio podcast

Can clonal plants live forever?

Despite the many cosmetic products, surgical treatments, food supplements, and drugs designed specifically to reverse the biological effects of aging in humans, long-lived aspen clones aren't so lucky. Researchers at the ...

Aug 17, 2010
4.4 / 5 (5) 0 | with audio podcast

What causes hybrid vigor?

Plant scientists at the John Innes Centre have provided a new solution to an old debate on why species hybrids can be more vigourous than their parents. In a study to be published online next week in the online open access ...

Jul 20, 2010
3.7 / 5 (3) 0

Genetic mismatch keeps yeast species distinct

How species form and what keeps them distinct from each other, even though they can interbreed, is a key question in evolution. Researchers from Taiwan, led by Dr. Jun-Yi Leu, an Assistant Research Fellow from the Institute ...

Jul 20, 2010
5 / 5 (1) 0 | with audio podcast

Old males win sex battle

(PhysOrg.com) -- Old roosters can still dominate the sexual pecking order even when their ability to fertilise eggs drastically declines, new Oxford University research has shown.

Jun 25, 2010
3.6 / 5 (7) 0 | with audio podcast