A short walk around the barn might improve the future fertility of Yorkshire gilts. According to research presented by Samantha Kaminski, a graduate student at North Dakota State University, swine fetuses showed significant ...
Plants & Animals
Mar 12, 2013
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More and more really tiny species are being discovered, like a 7.9mm fish in 2006 and a 7.7mm frog in 2011. There's increasing competition for the title of the 'world's smallest vertebrate', but exactly how do you determine ...
Plants & Animals
Sep 17, 2012
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Sperm swim, lung cells sweep mucus away, and the cells in the female Fallopian tube move eggs from the ovary to the uterus. Underlying these phenomena are flagella – slender, hair-like structures extending from the surface ...
Cell & Microbiology
Aug 13, 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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Spain recently adopted a menstrual leave policy, which makes additional (paid or unpaid) days off work available to "only and all cisgender women."
Social Sciences
Apr 28, 2023
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10
For human cells, researchers have adopted practices that are currently used for human identification, which are based on the detection of short tandem repeat (STR) markers. For the large volume of research that is performed ...
Biotechnology
Jan 28, 2013
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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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