News tagged with evolutionary events
Probing question: What is a molecular clock?
Biology /
Nov 20, 2008 |
4.3 / 5 (7) |
0
It doesn't tick, it doesn't have hands, and it doesn't tell you what time of day it is. But a molecular clock does tell time -- on an epoch scale. The molecular clock, explained S. Blair Hedges, is a tool ...
Search results for evolutionary events
New tool in the fight against mosquito-borne disease: A microbial 'mosquito net'
Dec 24, 2009 |
4.5 / 5 (2) |
0
Earlier this year, researchers showed that they could cut the lives of disease-carrying mosquitoes in half by infecting them with a bacterium they took from fruit flies. Now, a new report in the December 24th issue of Cell, ...
What connects the elderly and sports people? Smart sensor technology
Dec 24, 2009 |
not rated yet |
0
Innovative smart sensing devices promise to boost mobility and quality of life for the elderly, reduce healthcare costs and even give sports people an edge through more effective training.
Genetic study reveals the origins of cavity-causing bacteria
Dec 23, 2009 |
5 / 5 (2) |
0
Researchers have uncovered the complete genetic make-up of the cavity-causing bacterium Bifidobacterium dentium Bd1, revealing the genetic adaptations that allow this microorganism to live and cause decay in the human oral ...
Figitumumab has anti-tumor activity in Ewing's sarcoma
Dec 23, 2009 |
not rated yet |
0
A preliminary study of the anticancer drug figitumumab has found that it has antitumour activity in Ewing's sarcoma—a cancer which affects mainly teenage boys. The results have led to the drug's progression to a Phase 2 trial ...
Anti-inflammatory drugs interfere with aspirin's clotting ability
Dec 23, 2009 |
not rated yet |
1
A new study conducted at Ben-Gurion University of the Negev (BGU) reveals that Celebrex and other anti-inflammatory coxib medications may counter the positive effects of aspirin in preventing blood clots.
Glacier melt adds ancient edibles to marine buffet
Space & Earth / Earth Sciences
Dec 23, 2009 |
3.9 / 5 (10) |
7
Glaciers along the Gulf of Alaska are enriching stream and near shore marine ecosystems from a surprising source - ancient carbon contained in glacial runoff, researchers from four universities and the U.S. ...
First volume of microbial encyclopedia published
Dec 23, 2009 |
5 / 5 (3) |
0
The Earth is estimated to have about a nonillion (1030) microbes in, on, around, and under it, comprised of an unknown but very large number of distinct species. Despite the widespread availability of microbi ...
Researchers reveal secrets of duck sex: It's all screwed up
Dec 23, 2009 |
3.7 / 5 (9) |
0
Female ducks have evolved an intriguing way to avoid becoming impregnated by undesirable but aggressive males endowed with large corkscrew-shaped penises: vaginas with clockwise spirals that thwart oppositely ...
UNL research aims to understand homelessness among women
Other Sciences / Social Sciences
Dec 23, 2009 |
not rated yet |
0
(PhysOrg.com) -- Women make up nearly one-third of the homeless population in the United States. Yet little is known about how they become homeless or how they live. University of Nebraska-Lincoln sociologist Les Whitbeck ...
Seeing how evolutionary mechanisms yield biological diversity
Dec 22, 2009 |
not rated yet |
0
An international team of scientists has discovered how changes in both gene expression and gene sequence led to the diversity of visual systems in African cichlid fish.
List of search results for evolutionary events
