In a finding that could fundamentally re-write science's understanding of how some parasite-host relationships work, Harvard researchers have found that, despite being separated by more than 100 million years of evolution, ...
Plants & Animals
Jun 6, 2012
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Diversity, be it genetic, morphological, behavioural or ecological, is at the heart of many controversies. It fascinates us or worries us, depending on the context. But what is biological diversity? How useful is it, how ...
Evolution
Dec 7, 2018
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9
(Phys.org) —According to Benjamin Franklin, "nothing can be said to be certain, except death and taxes." But what if Franklin had it wrong—at least about death? University of Georgia ecologist Richard P. Shefferson explored ...
Ecology
Sep 5, 2013
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From fathers to children, the delivery of hereditary information requires the careful packing of DNA in sperm. But just how nature packages this DNA to prepare offspring isn't clear. Using new technology to reveal the 3-D ...
Cell & Microbiology
Feb 18, 2019
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192
A blockbuster study in which US researchers reported that they had turned human skin cells into embryonic stem cells contained errors, its lead author has acknowledged.
Cell & Microbiology
May 23, 2013
8
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(Phys.org) —Male sea lampreys may not be the best-looking creatures swimming in our lakes and streams, but they apparently have something going for them that the ladies may find irresistible.
Plants & Animals
Jun 27, 2013
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0
In a common metaphor used to describe human fertilization, sperm cells are competitors racing to penetrate a passive egg. But as critics have noted, the description is also a "fairy tale," rooted in cultural beliefs about ...
Social Sciences
Oct 1, 2023
0
52
Previously unobservable events occurring between insemination and fertilization are the subject of a groundbreaking new article in Science magazine (March 18) by Mollie Manier, John Belote and Scott Pitnick, professors of ...
Cell & Microbiology
Mar 18, 2010
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0
In the mating game, some female mites are mightier than their mates, new research at the University of Michigan and the Russian Academy of Sciences suggests. The evidence comes, in part, from 40 million-year-old mating mites ...
Plants & Animals
Feb 28, 2011
5
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Scientists long believed that the fungal pathogen Candida albicans was incapable of producing haploid cells—which contain only one copy of each chromosome, analagous to eggs and sperm—for mating. Mixing of genes in sexual ...
Cell & Microbiology
Jul 31, 2013
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