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19 December 2014, 05:03 PM ET
From humanoid robots to machine guns, here are five da Vinci inventions that were truly before their time.
19 December 2014, 04:46 PM ET
A man's persistent déjà vu episodes puzzles scientists who probed his brain to find an explanation.
19 December 2014, 03:09 PM ET
Instead of using invisibility cloaks to conceal objects from detection, "illusion coatings" could hide things by making them look like something else, researchers say.
19 December 2014, 02:46 PM ET
Plan to buy a fitness tracker like the Basis Carbon Steel or Jawbone Up 24? Check out LiveScience's in-depth reviews before making a purchase.
19 December 2014, 02:08 PM ET
Jawbone's new UP Move fitness trackers will track your steps taken, distance traveled, calories burned and hours slept, and can motivate fitness newbies to see whether their daily activities translate into lax or rigorous workout routines.
19 December 2014, 01:11 PM ET
Garmin's Vívosmart fitness band is part tracker, part smartwatch and part cheerleader.
19 December 2014, 12:38 PM ET
The first-ever soft landing of a robotic probe the surface of a comet has just been named the top scientific breakthrough of 2014 by the journal Science.
19 December 2014, 11:20 AM ET
Near-Earth objects about the size of the Chelyabinsk meteor shower could potentially be detected by their interaction with solar wind as they travel through space.
19 December 2014, 11:08 AM ET
Five people have died in a Listeria outbreak likely related to contaminated caramel apples, according to health officials.
19 December 2014, 10:57 AM ET
Chemistry makes Christmas cookies possible, whether crispy, chewy or cake-like in texture. Here's how the combination of fat, flour and sugar can become complicated quickly.
19 December 2014, 10:24 AM ET
Boulders the size of stretch limousines were moved by storm waves during Super Typhoon Haiyan.
19 December 2014, 12:40 AM ET
Molly is one of the most popular party drugs in the US. But what a lot of people may not know is that molly is actually a form of ecstasy (MDMA), and this misunderstanding can put young people at risk.
18 December 2014, 11:38 PM ET
Women are leading a new push to break down the obstacles they face in the science community.
18 December 2014, 11:04 PM ET
Cobras are large, venomous snakes with a trademark hood. They hiss and spit and can raise the upper part of their bodies high enough to look you in the eye.
18 December 2014, 10:54 PM ET
Prenatal genetic testing may diagnose any complications or developmental issues.
18 December 2014, 10:15 PM ET
There are three types of infections that can affect the inner of outer ear. Ear infections are most common in children.
18 December 2014, 06:06 PM ET
Properties, sources and uses of the element mercury.
18 December 2014, 05:14 PM ET
Animal-rights advocates seeking "personhood" for chimpanzees want to take their case to the highest court in New York State.
18 December 2014, 04:57 PM ET
NASA scientists unveiled the first data sets from the Orbiting Carbon Observatory-2, or OCO-2.
18 December 2014, 04:47 PM ET
There are a lot of fitness trackers out there to choose from, but which one is right for you?
18 December 2014, 02:53 PM ET
Get ready to see Leonardo da Vinci as you've never seen him before. A new film about the Renaissance genius's life opens in select theaters on Friday (Dec. 19).
18 December 2014, 02:47 PM ET
The original Renaissance man had a few well-kept secrets.
18 December 2014, 02:41 PM ET
The large carnivores of Europe — such as bears, wolves, lynx and wolverines — are experiencing a resurgence, even in nonprotected areas.
18 December 2014, 02:31 PM ET
Fool's gold helps preserve the bodies of some of the world's oldest animals. Sulfur-eating bacteria in the ocean helped the process of fossilization along.
18 December 2014, 02:26 PM ET
Despite a high human population density, Europe is seeing a resurgence of large carnivores such as wolves, lynx, bears and wolverines.
18 December 2014, 01:47 PM ET
Ibuprofen and some other similar anti-inflammatory pain relievers may slightly lower people's risk of one common type of skin cancer, a new review of research shows, but experts find the benefits too small, especially for a cancer that is fairly curable.
18 December 2014, 01:43 PM ET
A cultural agency in the United Kingdom says it's discovered the oldest living Christmas tree in all of Britain.
18 December 2014, 01:02 PM ET
This Christmas, instead of wishing for reindeer on the roof, consider wishing for wild reindeer to get some much needed help.
18 December 2014, 12:22 PM ET
Using a new technique called 4D printing, researchers can print out 3D structures that are capable of changing their shapes over time.
18 December 2014, 11:48 AM ET
The permafrost in most of Alaska's national parks could disappear by the year 2100, new research suggests.
18 December 2014, 11:05 AM ET
Four groups stood out as the worst for science in 2014.
18 December 2014, 07:23 AM ET
This is the time of year when hanging mistletoe beckons loving couples to share a romantic moment. But, in the desert regions of northern Mexico and in the American Southwest, a very different type of mistletoe can be found.
18 December 2014, 06:48 AM ET
Ancient people pressed olive oil as far back as 8,000 years ago in Israel, a new study finds. Researchers found residues of the Mediterranean-diet staple on ancient clay pots dating back to the 6th century B.C.