Related topics: women

99-million-year-old snail fossilized in amber while giving birth

Land snails are usually preserved as fossilized snail shells or imprints, while preservation of their soft bodies is a rarity. "Our new amber find is truly remarkable for this reason as well," explains Dr. Adrienne Jochum ...

Faster, more efficient CRISPR editing in mice

University of California, Berkeley scientists have developed a quicker and more efficient method to alter the genes of mice with CRISPR-Cas9, simplifying a procedure growing in popularity because of the ease of using the ...

Recessions result in lower birth rates in the long run

While it is largely understood that birth rates plummet when unemployment rates soar, the long-term effects have never been clear. Now, new research from Princeton University's Woodrow Wilson School of Public and International ...

Ancient reptile birth preserved in fossil

Ichthyosaur fossil may show the earliest live birth from an ancient Mesozoic marine reptile, according to a study published February 12, 2014 in PLOS ONE by Ryosuke Motani from the University of California, Davis, and colleagues.

Ancestor of snakes, lizards likely gave birth to live young

The ancestor of snakes and lizards likely gave birth to live young, rather than laid eggs, and over time species have switched back and forth in their preferred reproductive mode, according to research published in print ...

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