Clues to chromosome crossovers
Neil Hunter's laboratory in the UC Davis College of Biological Sciences has placed another piece in the puzzle of how sexual reproduction shuffles genes while making sure sperm and eggs get the right number ...
Blackbirds in the spotlight: City birds that experience light at night ready to breed earlier than their rural cousins
Street lamps, traffic lights and lighting from homes are causing a rise in our night-time light levels. For some time now, scientists have suspected that artificial light in our towns and cities at night ...
Evolutionary egg question answered: Turtle goo reduces oxygen
(Phys.org)—Some reptile species give birth to live young, but turtles have never evolved this ability. New research is revealing why.
New forms of dinosaur eggs (Dictyoolithids) found
Paleontologists from the Institute of Vertebrate Paleontology and Paleoanthropology (IVPP), Chinese Academy of Sciences, collected some dinosaur eggs of the oofamily Dictyoolithidae from the Upper Cretaceous ...
Sandy's wake leaves shore birds in dire straits
Beach and habitat losses attributable to Superstorm Sandy have wildlife groups scrambling to repair the damage by the time spring birds arrive.
Tapeworm eggs discovered in 270 million year old fossil shark feces
A cluster of tapeworm eggs discovered in 270-million-year-old fossilized shark feces suggests that intestinal parasites in vertebrates are much older than previously known, according to research published January 30 in the ...
Snakes meet their match in offspring-protecting lizards
(Phys.org)—A particular species of lizard will aggressively defend their eggs from predators such as snakes, a James Cook University researcher has found.
French 'rotten egg' stench invades England (Update 2)
The stench of rotten eggs wafted across Paris and northern France on Tuesday, even reaching across the sea to England, after a gas leak that authorities said was very smelly but entirely harmless.
Quail really know their camouflage
When it comes to camouflage, ground-nesting Japanese quail are experts. That's based on new evidence published online on January 17 in Current Biology that mother quail "know" the patterning of their own eg ...
New research shows some barnacles mate via spermcasting
Baby sharks stay still to avoid being detected by predators
Baby sharks still developing in their egg cases can sense when predators are near, and keep very still to avoid being detected, according to research published January 9 in the open access journal PLOS ON ...
Microswimmers hit the wall (w/ video)
(Phys.org)—New research reveals what happens when swimming cells such as spermatozoa and algae hit a solid wall, and has implications for applications in diagnostics and biofuel production.
Higgs Boson tops journal Science's top 10 of 2012
The discovery of the Higgs Boson, an invisible particle that explains the mystery of mass, leads a list of the top 10 scientific advances of 2012 released Thursday by the US journal Science.
Sync to grow: Oscillation of gene activity may underlie how embryos grow in proportion
(Phys.org)—From a single-cell egg to a fully functional body: as embryos develop and grow, they must form organs that are in proportion to the overall size of the embryo. The exact mechanism underlying ...