Oldest existing lizard-like fossil hints at scaly origins

The fossilised remains of a reptile closely related to lizards are the oldest yet to be discovered. Two new fossil jaws discovered in Vellberg, Germany provide the first direct evidence that the ancestors of lizards, snakes ...

Immune system study could help conserve endangered species

(Phys.org) —A study by University of Georgia ecologists has found that diversity in mammal immune system genes may have more to do with the opportunity to choose a mate than with exposure to parasites.

Japan scientists launch freeze-dry animal sperm bank

Japanese scientists have launched a sperm bank for endangered animals that uses freeze-drying technology they hope could one day help humans recreate animal populations on other planets, the chief researcher said Wednesday.

Keeping centrioles in check to ensure proper cell division

(Phys.org) —The duplication of cellular contents and their distribution to two daughter cells during cell division are amongst the most fundamental features of all life on earth. How cell division occurs and is coordinated ...

Life's rhythms

While our "body clock" regulates our 24 hour daily routine, a woman's menstrual cycle follows a 30 day rhythm. Many marine animals, such as the worm Platynereis, synchronize their reproduction rhythm with the lunar cycle. ...

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