News tagged with sperm head
Putting the squeeze on sperm DNA
(PhysOrg.com) -- In the quest for speed, olympic swimmers shave themselves or squeeze into high-tech super-suits. In the body, sperm are the only cells that swim and, as speed is crucial to fertility, have ...
Sep 30, 2009 |
4.8 / 5 (4) |
0
Search results for sperm head
Rare white horse prancing around in his own special genes
There was no hanky-panky involved when a fairy-tale white foal was born to two brown Standardbreds at the Four Winds Farm in New Jersey. DNA tests confirm that the snowy foal, born May 6, is a mutant, but that's nothing to ...
Jun 01, 2012 |
4.8 / 5 (4) |
2
Ancient sea reptile with gammy jaw suggests dinosaurs got arthritis too
Imagine having arthritis in your jaw bones... if they're over two meters long! A new study by scientists at the University of Bristol has found signs of a degenerative condition similar to human arthritis ...
Other Sciences / Archaeology & Fossils
May 15, 2012 |
5 / 5 (3) |
0
|
Whales' signals reveal retreat from ill-fated oil rig
A technique that monitors whales through the sounds they emit has answered a key issue raised by the explosion of the Deepwater Horizon oil rig in the Gulf of Mexico two years ago this month.
Apr 06, 2012 |
4.7 / 5 (3) |
0
Study of diving beetles suggest sperm evolution may be driven by changes in female reproductive organs
Studying female reproductive tracts and sperm in diving beetles (Dytiscidae), researchers from the University of Arizona and Syracuse University have obtained a glimpse into a bizarre and amazing world of spe ...
Feb 06, 2012 |
not rated yet |
0
|
Bottom of the swimming league: Naked mole rat sperm
Naked mole rats (Heterocephalus glaber) live in a 'hive' society with one reproducing queen and between one and three reproducing males. The rest of the mole rats in the colony are workers either defending the bu ...
Dec 05, 2011 |
4 / 5 (1) |
0
|
Study finds evidence of sperm whale culture
Differences in the patterned clicks that sperm whales use to communicate with each other seem to be down to culture and not genetics, say researchers.
Dec 05, 2011 |
4.9 / 5 (8) |
5
|
Paying for sex and 'playing dead' - the deceitful gift-giving spider
Male nursery web spiders (Pisaura mirabilis) prepare silk-wrapped gifts to give to potential mates. Most gifts contain insects, but some gifts are inedible plant seeds or empty exoskeletons left after the pr ...
Nov 13, 2011 |
5 / 5 (2) |
5
|
New species of Albino trapdoor adds to biodiversity jigsaw
A new species of spider has been found near Northam -- just by chance.
Oct 31, 2011 |
4.7 / 5 (3) |
0
Gouldian Finch females maximize mating opportunities
The endangered Gouldian Finch (Erythrura gouldiae) has peculiar mating habits that allow the species’ females to maximise fertility.
Oct 25, 2011 |
5 / 5 (1) |
0
Sexy sons thanks to mom
It is not the superior genes of the father, but the mother's resource investment in the eggs that makes Zebra Finch males particularly attractive. A Swiss-Australian research team lead by evolutionary ecologists ...
Sep 29, 2011 |
4 / 5 (4) |
0
|
List of search results for sperm head
