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20 January 2011, 07:04 AM ET
Miscommunication and Cheating Drive Risky Behaviors in Young Couples
20 January 2011, 06:59 AM ET
The ancient reptile mom likely had a violent accident and drown some 160 million years ago.
20 January 2011, 06:55 AM ET
A lining of white plastic in a black kite bird's nest may warn other birds to back off.
20 January 2011, 04:08 AM ET
Supreme Court hears about Zicam, the cold remedy pulled from the market by the FDA because it can cause loss of smell.
19 January 2011, 10:19 AM ET
Despite the rising cost of college, students aren't learning much.
19 January 2011, 10:09 AM ET
Humans may have been eating dogs 9,400 years ago in what is now Texas.
19 January 2011, 08:23 AM ET
Cutting back on what you eat at breakfast help you eat less during the rest of your waking hours.
19 January 2011, 08:21 AM ET
Tranexamic acid reduces the breakdown of blood clots.
19 January 2011, 04:30 AM ET
Michelle Meigahan studied over-the-counter drugs in Australian Wastewater
19 January 2011, 04:27 AM ET
Flatworm sperm changes its design when the worm's mating behavior changes, according to a study of 16 species of flatworm.
19 January 2011, 03:57 AM ET
Antibacterial treatment allows host's immune system to attack nematode.
19 January 2011, 03:54 AM ET
Emerging international research shows there is more than a literal truth to the saying that "you never get a second chance to make a first impression."
18 January 2011, 11:15 AM ET
After sex, Macrostomum lignano flatworms suck out unwanted sperm. So, their sperm have bristles to help them stay in place. The sperm of related worms, which don't suck out sperm, have no bristles. This led researchers to conclude sex shapes sperm.
18 January 2011, 09:57 AM ET
Watching an actor light up onscreen activates the part of the brain that plans hand movements in smokers, a new study finds, just as if the smokers were planning to light a cigarette themselves.
18 January 2011, 09:26 AM ET
Continued greenhouse gas emissions could have devastating consequences for global food production and increase malnutrition, according to a report.
18 January 2011, 09:19 AM ET
Immune system cells may be the link between bacteria and obesity
18 January 2011, 08:37 AM ET
Biological compounds present in blueberries may decrease the risk of high blood pressure
18 January 2011, 04:33 AM ET
Recovery from a traumatic brain injury is unpredictable, and forecasting the final outcome remains difficult.
18 January 2011, 04:00 AM ET
Chinese residents living in big cities tend to be more environmentally active than those living in smaller cities, perhaps because they face more consequences from pollution, according to a study.
18 January 2011, 03:45 AM ET
Changes to the metal's structure give it strength and shatter-resistance
17 January 2011, 08:36 AM ET
Friends resemble each other at a genome level, a new study finds.
17 January 2011, 05:04 AM ET
Traumatic brain injury is an unpredictable disease process and forecasting the final outcome remains difficult. But new technologies, and ones on the horizon, might soon change all that.
17 January 2011, 04:56 AM ET
A planetary scientist investigating the possible migration of Uranus and Neptune answers questions about his work
17 January 2011, 04:48 AM ET
A town on the western coast of Greenland may have seen the first sunrise of spring two days early, and experts disagree whether global warming or a simple, optical illusion is responsible.
17 January 2011, 04:21 AM ET
Newly discovered sabertooth species may have left some of their kills for human ancestors to scavenge.
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