Posts Tagged ‘biology’
Is early adversity embedded in our biology?
U. TORONTO (CAN) — Forget nature versus nurture. A growing body of evidence suggests early experiences and biology interact to shape human development. Continue…
Monday, October 29, 2012 12:11 - 2 Comments
Science & Technology - May 14, 2012 12:25 - 0 Comments
Trait lets snakes chow down on toxic newts
U. VIRGINIA (US) — Six snake species on three continents have developed a similar trait to resist the poison of their highly toxic prey. (more…)
Science & Technology - May 3, 2012 13:41 - 1 Comment
Faster beasts evolve with larger eyeballs
U. TEXAS-AUSTIN (US) — After body size, a mammal’s running speed is the most important influence on the size of its eyes. (more…)
Top Stories - Apr 30, 2012 9:16 - 0 Comments
Atomic structure paves way for obesity drugs
U. SHEFFIELD (UK) — Scientists have defined the structure of a key part of the human obesity receptor—an essential factor in the regulation of body fat. (more…)
Science & Technology - Apr 27, 2012 15:07 - 1 Comment
Biologists poke holes in ‘tiger stripe’ theory
NYU (US) — Findings about mechanisms that control how proteins are expressed in different regions of embryos have biologists reconsidering a long-held theory. (more…)
Top Stories - Apr 27, 2012 10:23 - 0 Comments
Clone cells dominate to build heart muscle
DUKE (US) — Research with color-coding reveals that just a handful of cells from the embryo go on to create the pumping heart muscle of an adult zebrafish. (more…)
Science & Technology - Apr 23, 2012 11:29 - 3 Comments
For Tasmanian tiger, genetic fate loomed
U. MELBOURNE (AUS) — The Tasmanian tiger had the same or even less genetic diversity than its close relative, the Tasmanian devil. (more…)
Earth & Environment - Apr 17, 2012 10:07 - 0 Comments
For hive health, queen bee has many mates
MICHIGAN STATE (US) — By mating with nearly 100 males, queen bees on isolated islands avoid inbreeding and keep colonies healthy. (more…)
Science & Technology - Apr 16, 2012 9:09 - 1 Comment
Nematodes ‘speak’ a universal language
CALTECH (US) — Biologists have decoded the language of worms to discover that different roundworm species communicate by using the same types of chemical cues. (more…)
Top Stories - Mar 16, 2012 9:16 - 2 Comments
Humans and worms share brain ‘blueprint’
STANFORD/U. CHICAGO (US) — A genetic link between human brains and acorn worms suggests that biologists should look more broadly for vertebrates’ origins. (more…)
Science & Technology - Mar 15, 2012 11:04 - 0 Comments
Why some honeybees itch to explore
CORNELL / U. ILLINOIS (US) — Honeybees that scout for new food sources or nest sites have patterns of gene activity in their brains that are similar to those in people who seek the new and different. (more…)
Top Stories - Mar 13, 2012 9:47 - 0 Comments
Honey bees stay healthy in probiotic hives
INDIANA U. (US) — Greater genetic diversity among workers leads to honey bee colonies with fewer pathogens and more abundant helpful bacteria. (more…)
Science & Technology - Mar 12, 2012 10:26 - 1 Comment
Plant math: Why roots grow down, not up
U. NOTTINGHAM (UK) — Using new technology and math modeling, researchers have discovered how plant roots know to grow down and not up in order to explore the soil and maximize water uptake. (more…)
Health & Medicine - Mar 7, 2012 18:02 - 0 Comments
Skin feels the heat with nerve cell proteins
UC DAVIS (US) — A few proteins, called ion channels, allow our skin to distinguish discrete temperatures, from mildly warm to very hot. (more…)
Science & Technology - Mar 7, 2012 17:10 - 0 Comments
Coffee pest steals genes from gut bacteria
CORNELL (US) — A bacterial gene from a coffee pest’s gut has evidently become a permanent part of the insect’s genome. (more…)
Health & Medicine - Mar 6, 2012 13:11 - 0 Comments
Choosy parasites pick hosts by sex
CORNELL (US) — Some parasites favor hosts of one sex over the other, possibly because of sex-specific immune responses or behavior. (more…)
Health & Medicine - Mar 2, 2012 13:20 - 1 Comment
Artificial womb reveals embryo’s growth
U. NOTTINGHAM (UK) — Engineers have created a soft polymer bowl that mimics the soft tissue of the mammalian uterus in which the embryo implants. (more…)
Top Stories - Feb 29, 2012 18:04 - 0 Comments
Cancer gets moving on protein ‘wheels’
CORNELL (US) — Cancer cells must prepare to invade new tissues, and researchers have found a way to stop them from migrating. (more…)
Science & Technology - Feb 29, 2012 14:18 - 0 Comments
Like tiny predators, ticks hunt wary prey
WASHINGTON U.-ST. LOUIS (US) — Ticks hunt potential hosts like predators after prey, and those host animals are more wary of parasites than previously thought. (more…)
