Isolated sheep help scientists study ageing
Sheep keep having twins even in old age, say scientists.
Ecology
Mar 4, 2013
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News tagged with reproductive fitness
Owl monkeys who 'stay true' reproduce more than those with multiple partners, Penn study finds
Breaking up is hard to do—and can be detrimental to one's reproductive fitness, according to a new University of Pennsylvania study.
Plants & Animals
Jan 23, 2013
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Infectious disease may have shaped human origins, study says
An international team of researchers, led by scientists at the University of California, San Diego School of Medicine, suggest that inactivation of two specific genes related to the immune system may have conferred selected ...
Evolution
Jun 4, 2012
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On Facebook, beauty is more than screen deep
Having attractive friends will make you more popular on Facebook, especially if you are a woman, according to a new study that takes Charles Darwin into the domain of cyber networking.
Social Sciences
Apr 23, 2012
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Scientists observe reproductive seasonality in male giant pandas
A three-year study of giant pandas published today in Biology of Reproduction's Papers-in-Press reveals that reproductive seasonality exists not only in female pandas, but in male pandas as well.
Plants & Animals
Apr 4, 2012
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Nematode research shows stress resistance tied to reproductive fitness
(PhysOrg.com) -- It seems in most everything in life there is a tradeoff. If you work more, for example, you’re likely to do better in your career, but, unfortunately, your personal life is likely to suffer. So it seems ...
How does a plant survive with few mates or pollinators? A European herb has figured out its own way
In plants that rely on animals for pollination, the number of seeds they produce, or their relative fitness, is influenced by pollinator visits and the successful deposition of pollen. The number of visits a plant may receive ...
Plants & Animals
Nov 10, 2011
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Saving wildlife with forensic genetics
Wildlife face many threats with spreading urbanization, including habitat loss and inbreeding when populations become fragmented and isolated. It doesn't help that there is a billion-dollar international industry dedicated ...
Biotechnology
Jun 8, 2011
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Key to evolutionary fitness: Cut the calories
Charles Darwin and his contemporaries postulated that food consumption in birds and mammals was limited by resource levels, that is, animals would eat as much as they could while food was plentiful and produce as many offspring ...
Evolution
Jul 1, 2009
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