Semen stored since 1968 in a laboratory in Sydney has been defrosted and successfully used to impregnate 34 Merino ewes, with the resulting live birth rate as high sperm frozen for just 12 months.
Biotechnology
Mar 17, 2019
12
973
Sperm that live for longer before fertilising an egg produce healthier offspring—according to new research from the University of East Anglia and Uppsala University in Sweden.
Evolution
Feb 14, 2019
0
232
Plant scientists at the University of East Anglia have succeeded in unravelling the complete genome sequence of the common primrose—the plant whose reproductive biology captivated the Victorian naturalist Charles Darwin.
Biotechnology
Dec 18, 2018
0
165
Dr Martin Sweatman from the University of Edinburgh's School of Engineering has discovered a simple physical principle that might explain how life started on Earth.
Soft Matter
Dec 12, 2017
0
50
Joint research by the University of Otago and University of Canterbury has revealed that male salmon can adjust their sperm's swimming speed if competing with a rival to reproduce.
Plants & Animals
Oct 30, 2017
0
19
Scientists in China have finally succeeded in creating functioning sperm from mice in the laboratory. To accomplish this feat, the researchers coaxed mouse embryonic stem cells to turn into functional sperm-like cells, which ...
Cell & Microbiology
Feb 25, 2016
2
752
Whether an insect will have a male or female offspring depends on the weather, according to a study led by Joffrey Moiroux and Jacques Brodeur of the University of Montreal's Department of Biological Sciences. The research ...
Plants & Animals
May 22, 2014
1
0
(Phys.org) —Animal genitalia are structurally diverse organs that can evolve rapidly under powerful selective forces exerted by the peculiarities of sexual reproduction. An overarching review of the existing evolutionary ...
Evolution
May 7, 2014
1
1
Too early or too late blooming can have serious consequences for plants: It may reduce the seed harvest and jeopardize the reproductive success of an entire season. In order not to miss the optimal time of flowering, plants ...
Biotechnology
Sep 25, 2013
1
0
(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
0
0
