05 April 2007, 10:00 AM ET
A newfound stretch of doggie DNA prevents Chihuahuas from growing as big as Scooby Doo.
28 March 2007, 05:47 AM ET
For decades biologists have tried to explain why evolution hasn't given us all Hollywood good looks. A new study shows why you don't look like this.
26 March 2007, 06:00 AM ET
Researchers discovered twins who are identical on their mom's side of the equation but share only half their genes from dad.
20 March 2007, 05:33 AM ET
Although no one asked a certain general and Baptist preacher for their opinions on homosexuality, they told us anyway. So much for "don't ask, don't tell."
10 March 2007, 04:19 AM ET
Artificial DNA with encoded information can be added to the genome of common bacteria, thus preserving the data.
09 March 2007, 06:57 AM ET
Thanks for the lousy temper, Mom and Dad.
08 March 2007, 01:14 PM ET
Sometimes parents deserve a guilt trip. While you and the guy next door share 99.9 percent of the same DNA
, that small fraction leftover amounts to three million inherited
07 March 2007, 08:04 AM ET
The distinction between birds and the dinosaurs from which they evolved is getting even murkier as scientists reported this week that both groups had short genomes, or complete DNA sequences.
26 February 2007, 08:58 AM ET
The illegal trade in elephant ivory is growing, but new research points to the origins of trafficked tusks and a plan to prevent African pachyderm extinction.
18 February 2007, 07:00 AM ET
Bizarre-looking bats and other animals can be sorted by a new DNA method that promises further discoveries. But you'll want to see the freaky photos...
14 February 2007, 08:01 AM ET
Humans are born with "kinship detectorsâ€ that help us stay away from evolutionary disastrous romantic tangles with our siblings, a new study suggests. But it only works if you grow up with the sibling.
07 February 2007, 08:01 AM ET
In their own version of Match.com, female fur seals have particular preferences when it comes to partners. And theyâ€™re willing to trek long distances to find that perfect mate.
07 February 2007, 07:55 AM ET
A new exhibit on human evolution opening this weekend at the American Museum of Natural History in New York explores where humans came from and what makes us distinct from other animals.
07 February 2007, 04:19 AM ET
human sex, Relationship quizzes in magazines are fun, but a test for genetic compatibility might be the better way to go to see if your wife or girlfriend will cheat on you.
01 February 2007, 09:03 AM ET
That unique smell found near the sea comes from a gas produced by specific bacterial genes, according to a new study.
30 January 2007, 07:41 AM ET
Having two breeding populations in Yellowstone could boost the overall genetic diversity of the beasts.
29 January 2007, 04:02 AM ET
Honest Abe might have suffered from a genetic disorder that literally shattered his nerves and would explain his gangly walk.
28 December 2006, 07:26 AM ET
Beneath a slimy faÃ§ade, the sea slug is somewhat of a brainiac. At any given time within a single brain cell, more than 10,000 genes are hard at work.
05 December 2006, 03:38 AM ET
Scientists have figured out how to make apples look so good that perhaps you won't mind the lousy taste.
21 November 2006, 05:18 AM ET
A new genetic method of detecting osteoarthritis could allow treatments to reverse the condition before symptoms set in.
15 November 2006, 08:01 AM ET
Two of the most detailed Neanderthal DNA sequencing projects ever performed are shedding new light on the shared evolutionary past of ourselves and our closest extinct relative.
14 November 2006, 04:02 AM ET
Unlike two-thirds of America, everyone at the running store this weekend was fit. This genetically diverse crowd of runners didn't have the obesity gene. What were the chances of that?
09 November 2006, 09:02 AM ET
They lack eyes, ears and a backbone, but sea urchins are more closely related to humans than once thought.
03 November 2006, 12:03 PM ET
Fish hit with X-rays could trigger danger responses in other fish. These results might help regulators identify radiation leaks from nuclear power plants.
03 November 2006, 04:35 AM ET
Female animals may use other ways to choose mates besides ornamental displays, which may help their offspring survive longer.
27 October 2006, 09:44 AM ET
Could the human species split in two over time due to evolutionary pressures as predicted by science fiction writer H.G. Wells? While the idea is fascinating, the science is flimsy.
25 October 2006, 09:02 AM ET
It can sting you in Rome. It can sting you in Moscow, but the honey bee is originally from Africa, scientists reported today.
23 October 2006, 04:28 AM ET
DNA that helps make germs resistant to medicines may increasingly be appearing as a pollutant in the water.
12 October 2006, 10:02 AM ET
A bacteria living in special cells inside an insect has the smallest genome of any known cellular lifeform, a new study finds.
29 September 2006, 05:38 AM ET
Showing a genetic connection could help reduce stigmas associated with certain mental illnesses and improve diagnosis and therapies.
28 September 2006, 06:36 AM ET
Scientists have discovered a novel genetic repair mechanism that allows a hardy desert microbe to die and resurrect over and over again.
12 September 2006, 08:28 PM ET
The father of genetics, a monk who spent eight years counting 300,000 peas, would not recognize some of the freaky things going on today.
16 August 2006, 09:05 AM ET
The discovery of a rapidly evolving DNA section in humans could help explain why our brains are so much bigger than chimps.
13 August 2006, 09:51 PM ET
Extracts from hot dogs bought from the supermarket, when mixed with nitrites, resulted in what appeared to be these DNA mutating compounds.
07 August 2006, 08:00 AM ET
It's not Jurassic Park, but scientists have reconstructed a 530-million-year old gene by piecing together key portions of two modern genes descended from it.
26 July 2006, 09:01 AM ET
A suite of genes involved in fish fin development also plays a role in the development of paired limbs in land animals.