Improving sperm quality in elephants

(Phys.org) —Crushed by habitat loss and poaching, Asian elephants are at risk, and their future rests heavily on captive breeding programs. A collaborative study between Cornell and Smithsonian scientists has found a key ...

Secret of sperm quality control revealed

Yale researchers have discovered how the "guardian of the genome'' oversees quality control in the production of sperm — and perhaps in many other cells as well.

Good males are bad fathers

Contrary to predictions, males of high genetic quality are not very successful when it comes to fertilizing eggs. A new study on seed beetles by Swedish and Danish scientists Göran Arnqvist and Trine Bilde shows that when ...

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