Scientists already knew that neonicotinoid pesticides, which affect insects' nervous systems, can alter bee behaviour, putting these vital pollinators, already threatened by habitat loss and disease, further at risk.
Plants & Animals
Jun 20, 2012
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Biochemists at the University of California, Riverside report a new role for vitamin C in plants: promoting the production of twins and even triplets in plant seeds.
Biochemistry
Jun 18, 2012
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Leptothorax acervorum ants live all over the Northern hemisphere, but their reproductive strategy depends on habitat. Colonies are polygynous (more than one queen) in the forest of Siberia and central Europe, but functionally ...
Plants & Animals
Sep 30, 2011
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The defining feature of social insects is that societies contain queens, which specialise in laying eggs, as well as workers, which are mostly infertile but take care of the offspring and the nest. However, when the queen ...
Plants & Animals
Jun 30, 2010
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1
A puzzle that has baffled scientists for centuries - why some birds appear to be male on one side of the body and female on the other - has been solved by researchers.
Plants & Animals
Mar 10, 2010
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For an ovary to remain an ovary, the female organ has to continuously suppress its inner capacity to become male. That's the conclusion of a study in the December 11th issue of the journal Cell revealing that the ovaries ...
Biotechnology
Dec 10, 2009
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(PhysOrg.com) -- This year, hundreds of thousands of women and pet dogs will undergo a hysterectomy and have their ovaries removed along with their uterus. Now, two independent research studies looking at longevity may challenge ...
Other
Dec 1, 2009
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