Video Archive
22 November 2013, 10:09 AM ET
The mating behavior of the roundworm C. Elegans is surprisingly sophisticated, requiring complex nerve control.
21 November 2013, 10:13 AM ET
Research published in the journal Current Biology reveals that babies get the fundamentals of body awareness from birth. Newborns pay more attention to images that match sensory input on their bodies, as seen in this clip.
20 November 2013, 11:32 AM ET
Diagnosing the specific type of cancer can be crucial to starting the right treatment quickly especially for lung cancer patients who are often diagnosed in later stages of the disease. A special chip can test for 50 cancer genes at once.
20 November 2013, 11:31 AM ET
A rough, textured, water-repellant surface could be used to make ultra-water proof clothing and keep airplane wings from becoming icy.
18 November 2013, 03:00 PM ET
Long-lived algae growing on the Arctic Ocean seafloor may hold a record of climate change extending back more than 600 years. The algae growth slows each winter when sea ice blocks sunlight, leaving behind layers similar to tree rings.
18 November 2013, 12:42 PM ET
The rise in global carbon dioxide is causing dramatic ocean acidification is threatening a number of aquatic species, including oysters farmed for human consumption.
12 November 2013, 03:27 PM ET
Biologists use Calvin Klein's Obsession for Men to attract wild animals like this African golden cat posing for a camera trap in Uganda's Kibale National Park.
11 November 2013, 05:02 PM ET
Even in Dzanga Bai, one of the most protected elephant meeting grounds in all of Africa, isn't safe from heavily armed poachers, who kill 35,000 elephants every year or about 96 elephants a day according to the Wildlife Conservation Society.
11 November 2013, 02:15 PM ET
Researchers simulated a man peeing into a urinal at different angles, finding to avoid pee splash-back men should decrease the angle of flow.
11 November 2013, 10:27 AM ET
Fungal lung infections like those caused by Histoplasma capsulatum are difficult to treat because it's hard to get rid of the fungal cells without damaging human cells. A new way to mark fungal cells by making them glow could solve that problem.
08 November 2013, 03:40 PM ET
Set to launch on Nov 18th, 2013, the orbiter seek to rewind the planet's geologic history back to the wet, warm epoch that might have spawned life. MAVEN's instruments may help scientists understand why the planet lost much of its atmosphere.
08 November 2013, 02:05 PM ET
Solar radiation, trapped by our atmosphere, keeps Earth warm. But if human activity is making it too warm, Stanford scientists have developed a panel that can return heat to space. Is this a tool for future geo-engineering?
06 November 2013, 03:55 PM ET
Virtual monkey avatar shown from a 3rd person perspective as the movements of the two arms are decoded in real-time from the brain of a rhesus monkey. The monkey sees the arms and 3D objects from a 1st person perspective.
06 November 2013, 01:53 PM ET
Researchers are training a cashier robot how to safely handle knives, tomatoes, egg cartons and other common items in a grocery store checkout.
05 November 2013, 05:45 PM ET
In this expose of a 'canned' rhino hunt, the Humane Society shows how a rhino that's been raised in captivity and acclimated to humans doesn't stand a chance against an armed poacher looking to bag a trophy.
04 November 2013, 05:00 PM ET
Camera traps captured these images of bay cats, a rare species found in Borneo, roaming through a logged area of rainforest where they weren't expected to be found.
04 November 2013, 12:22 PM ET
This thermal image sequence of the lava lake in Halema'uma'u Crater condenses about 12 minutes of motion (which is then repeated three times), showing how the slightly cooler layer of crust constantly cracks and reforms into new patters.
04 November 2013, 10:01 AM ET
When carbon dioxide is absorbed by the ocean, the water's acid level rises. If this level gets too high, some sea creatures that build protective shells can't grow as fast or even have their shells dissolve, threatening the entire food chain.
04 November 2013, 09:00 AM ET
Fascinating video shows how using opposing ultrasonic speakers can levitate and hold droplets of water against gravity.
31 October 2013, 02:46 PM ET
Using lasers, scientists can now surgically blast holes thinner than a human hair in the heads of fruit flies, allowing them to gaze at how the rodents' brains worked while still alive.
30 October 2013, 12:00 PM ET
Using advanced computer modeling techniques, researchers digitally reconstructed the movements of the Argentinosaurus dinosaur, enabling them to recreate how it walked and ran for the first time.
29 October 2013, 08:01 PM ET
Researchers have captured the process ticks use to bite their hosts in new microscope images.
29 October 2013, 09:57 AM ET
Six nearly identical earthquakes that occurred in the Gulf of California over a period of several years reveal how earthquake waves, too subtle to be felt by humans, ripple across the United States over the course of 20 minutes.
24 October 2013, 04:54 PM ET
Paul Sikkel and reggae star Amlak Tafari discuss the recent controversy of naming a parasite after Bob Marley.
24 October 2013, 02:00 PM ET
The Arizona bark scorpion is known for its intensely painful sting, but the southern grasshopper mice that prey on the scorpions aren't bothered at all, as this video of an attack illustrates. The mouse was later released back into the wild.
23 October 2013, 04:28 PM ET
A Phiddipus johnsoni, or red-backed jumping spider (named Nefertiti), has returned from its time on the International Space Station. Its hunting skills were compromised when attempting to capture its prey, due to its readaptation to gravity on Earth.
22 October 2013, 01:31 PM ET
Images from a Bolivian jungle show Andean bears wrecking a camera trap that was set up to take pictures of the animals.
21 October 2013, 07:21 PM ET
A nearly complete skeleton of a baby Parasaurolophus gets a helicopter airlift out of Grand Staircase-Escalante National Monument in Utah. 
21 October 2013, 05:20 PM ET
Throughout the year the Antarctic hole in the ozone layer (defined as less than 220 Dobson Units) grows and recedes seasonally, reaching it's maximum size this year on September 26th.
21 October 2013, 04:00 PM ET
21 October 2013, 03:52 PM ET
This video shows a cut-away view of fusion energy production by neutral deuterium particle injection, which requires reaching a temperature of one hundred million degrees.
21 October 2013, 02:31 PM ET
On-orbit astronaut Karen Nyberg proves Cady Coleman told 'Gravity's Sandra Bullock the truth: a single strand of human hair pushed against a handrail aboard the ISS sprang Nyberg backwards in microgravity.