Posts Tagged ‘biology’
Top Stories - Jul 21, 2011 12:20 - 0 Comments
No coat, no egg: Why some sperm fail
UC DAVIS (US) — Sperm that lack a special protein coating have trouble reaching the egg. The discovery could open up new ways to screen and treat couples for infertility. (more…)
Health & Medicine - Jul 20, 2011 11:03 - 1 Comment
Mutant fly gene linked to mental disability
EMORY (US) — The same genetic mutation that makes it hard from fruit flies to climb and use their wings also appears to play a role in inherited intellectual disability in humans. (more…)
Science & Technology - Jul 15, 2011 9:33 - 0 Comments
Male fish go from ‘zero to 60′ to mate
STANFORD (US) — Subordinate cichlid fish have an impressive ability to rise to the procreative occasion with stunning speed if the alpha male—usually the only one to reproduce—abdicates. (more…)
Science & Technology - Jul 14, 2011 13:46 - 2 Comments
Birds can do it. (So can brainy lizards)
DUKE (US) —Tropical lizards may be slow. But they aren’t dumb. They can do problem-solving tasks just as well as birds and mammals, a new study shows. (more…)
Top Stories - Jul 14, 2011 13:20 - 0 Comments
Genome map: Better spuds on the way
MICHIGAN STATE (US) — An international team has mapped the potato genome, taking a big step closer to improving the world’s most important nongrain food crop. (more…)
Earth & Environment - Jul 6, 2011 12:24 - 0 Comments
Undiscovered species likely in ‘hotspots’
DUKE (US) — The extinction threat for many of the world’s undiscovered species is worse than previously feared, according to a new report. (more…)
Top Stories - Jun 20, 2011 11:45 - 0 Comments
Male mice take a cue from Bieber
U. FLORIDA (US) — To get the girl, some male mice have to channel their inner Justin Bieber—wooing the ladies with amazing high-pitched vocals. (more…)
Top Stories - Jun 15, 2011 11:48 - 0 Comments
Chem war: Native ants poison invaders
STANFORD (US) — Argentine ants—seemingly set on world domination—may have finally met their match in California’s plucky and poisonous native “winter ants.” (more…)
Science & Technology - Jun 8, 2011 11:50 - 1 Comment
Seeing the light preps brain for vision
BROWN U. (US) — Two studies—one with mice pups and one with tadpoles—show how exposure to light early in life helps organize and refine the circuitry of vision systems. (more…)
Health & Medicine - May 31, 2011 10:27 - 0 Comments
From worms, clues to how iron moves
U. MARYLAND (US) — To understand more about how humans and other organisms internally transport iron, scientists turned to an unlikely partner: a bloodless worm. (more…)
Science & Technology - May 27, 2011 11:51 - 0 Comments
Bacteria police keep cheaters in line
INDIANA U. (US) — In at least one bacterium, cooperative organisms are able to evolve to suppress overly competitive ones, arresting attempts at domination. (more…)
Top Stories - May 5, 2011 11:24 - 1 Comment
It’s true: Babies wake up taller
EMORY (US) — Grandma got it right. A new study confirms the old adage that infants wake up taller right after they sleep. (more…)
Top Stories - Apr 5, 2011 11:21 - 2 Comments
Odd couple: Algae in salamander cells
INDIANA U. (US) — The discovery green algae lives inside the cells of salamander embryos suggests other symbioses between animals and algae may exist. (more…)
Science & Technology - Mar 24, 2011 9:47 - 0 Comments
Zoo primates need darkness on day shift
CASE WESTERN (US) — Zoo life can wreak havoc on nocturnal primates. Even something as innocuous as incorrect lighting negatively impacts health and reproduction. (more…)
Top Stories - Mar 17, 2011 12:30 - 0 Comments
Mosquito sex combats disease
CORNELL (US) —The intricate sex life of the mosquito may hold clues to controlling diseases like the dengue and yellow fevers, and the West Nile virus. (more…)
Top Stories - Mar 16, 2011 12:13 - 0 Comments
Blowing the lid off protein folding
STANFORD (US) — Scientists have gotten a live look inside protein folding, biology’s mysterious origami. Knowing how proteins misfold could pave the way for Alzheimer’s or Huntington’s disease treatments. (more…)
Science & Technology - Feb 24, 2011 17:13 - 2 Comments
Global effort needed to feed the world
PENN STATE (US) — An integrated approach across multiple international disciplines is the only thing that can successfully solve the world’s food problems while reducing pollution. (more…)
Health & Medicine - Feb 23, 2011 17:39 - 1 Comment
Protein wangles recruits to do dirty work
STANFORD (US) — A mutant misfolded protein is successful at causing neurodegenerative diseases by moving from cell to cell, corrupting normal proteins into joining its crusade. (more…)
