Video Archive
20 February 2014, 01:08 PM ET
Coiled fishing line and sewing thread work as artificial muscles. Heat activation causes the coils to contract or expand, which can be used to open or close a window to regulate the temperature inside a building.
19 February 2014, 07:39 PM ET
The World Resource Institute, along with 40 public and private partners, launched a new website on Feb. 20, globalforestwatch.org, to track deforestation in near-real time.
19 February 2014, 02:43 PM ET
Mount Vesuvius rains down on Pompeii, and a tsunami floods its streets. The filmmakers used some artistic license in the eruption and its aftermath, but the general sequence of events is accurate.
18 February 2014, 05:30 PM ET
A video montage of bears crossing the Trans-Canada Highway.
18 February 2014, 11:18 AM ET
Asian elephants have been observed consoling and reassuring others who are in distress by using touch and vocalizations. This behavior is thought to be rare in the animal kingdom.
14 February 2014, 10:54 PM ET
Very active or athletic young woman who experience bone injuries, irregular menstrual cycles and less energy may be prone to this condition.
14 February 2014, 03:22 PM ET
Epitomizing the idea of a 'Conservative Conservationist', the Honorable Right John Gummer, Lord Deben is a conservative member of the UK's House of Lords and Committee on Climate Change, which is tasked with determining the country's carbon targets.
14 February 2014, 01:29 PM ET
Former coal miner Nick Mullins talks about the environmental and physical toll coal extraction takes on Appalachians.
13 February 2014, 02:01 PM ET
Engineers have created small robots that can build without a centralized plan. Like termites building mounds hundreds of times their size, they use simple information around them to decide the next step in the construction.
13 February 2014, 10:36 AM ET
The winter storm the battered the southeast United States has now settled over the Northeast. Over a foot of snow, damaging winds and ice are forecasted for Feb. 13th, 2014. NOAA's GOES-East satellite has been providing coverage.
12 February 2014, 06:10 PM ET
The NOAA GOES-East satellite has sent imagery down to Earth from Feb. 10-12, 2014. The storm is blasting the east coast of the United States with dangerous winter weather.
12 February 2014, 05:12 PM ET
In the first clip, crazy ants and fire ants fight over a grasshopper carcass. The crazy ants are able to clean themselves with a secretion that detoxifies the fire ants' potent bite. The second clips show this cleaning behavior more clearly.
12 February 2014, 02:56 PM ET
The Research and Education Cooperative Occultation (RECON) catalogues outer solar system Kuiper Belt objects while training high school students with real astronomical science.
12 February 2014, 02:02 PM ET
By quantifying the data from sea ice cores taken in the Arctic and Antarctic, scientists are developing powerful mathematic formulas for calculating ice melt.
12 February 2014, 01:36 PM ET
WARNING: This video may be disturbing to some viewers. When doctors discovered blood after removing a 48-year-old woman's hearing aid, they found a live fruit fly larva while examining her ear canal.
12 February 2014, 12:59 PM ET
The human equivalent of the inching climber fish’s trek up a waterfall would be like climbing Mount Everest… three times in a row.
12 February 2014, 12:06 PM ET
Scientists working to develop brain-computer interfaces for disabled people have created a system that allows a person to control a quadcopter with only their mind.
12 February 2014, 11:18 AM ET
While bee hives have Queen's, they typically spend there time laying eggs for the colony, not giving out orders like a royal monarch. Thats why scientists studying leaderless human organizations like analyzing the similarly organized bee hives.
12 February 2014, 10:20 AM ET
Building personalized treatments has long been a goal of cancer treatments, but testing them can be difficult. By using bio-fabricated 3D tissue, researchers are able to test which customized treatments work best.
12 February 2014, 09:57 AM ET
The track of a single sperm cell with a bent tail, in two dimensions (left) and three dimensions (right).
12 February 2014, 09:29 AM ET
Flooding in Britain spread along the River Thames and began to threaten London on Monday, as a political row over the handling of devastating winter storms erupted into the open.
12 February 2014, 09:21 AM ET
Prime Minister David Cameron visited flood-hit areas in Britain on Tuesday following criticism of his government's handling of a crisis that has left swathes of the country under water.
11 February 2014, 05:26 PM ET
Researchers at Carnegie Mellon University are working on a Collaborative Robot ('CoBot' for short) that learns its environment while providing assistance to people so that it can help autonomously instead of following a preprogramed path.
11 February 2014, 12:59 PM ET
Views from the onboard camera of a Parrot AR.Drone 2.0 Elite Edition Quadricopter, mixed with video taken of the drone during the same flight, flown by a novice. The pilot used Parrot’s app to control the drone with an iPod.
11 February 2014, 09:29 AM ET
What's new under the Sun? NASA's IRIS probe has taken an unusually detailed and deep look at the interface region beneath the Sun’s surface. It is much more violent and explosive than researchers previously believed.
10 February 2014, 01:59 PM ET
New images of galaxy Centaurus A, equivalent to a single Chandra X-Ray telescope exposure nearly 10 days long taken between 1999 and 2012, shows bright jets from a supermassive black hole. A dark dust lane is a fossil of an ancient galaxy collision.
07 February 2014, 03:07 PM ET
A clever new idea could save renewable energy for when the wind is not blowing and the sun is not shining.
07 February 2014, 12:00 PM ET
Because solar and wind energy isn't consistent, many renewable energy power plants have to store excess energy for when demand is highest. A new system using train cars offers a clean, cheap, and fast method of storing that energy for later use.
07 February 2014, 11:21 AM ET
Facing harsh weather, massive ice floes, and even whales, Shell Oil decided to postpone their plan to start drilling for oil in the arctic ocean.
07 February 2014, 10:01 AM ET
Satellites snapped imagery of a surprisingly snow-less Sierra mountain range, painting a grim picture of the water prognosis for California. NASA scientists are investing the cause.
06 February 2014, 04:08 PM ET
The Mars Science Laboratory captured imagery of the brightest object in its twilight sky, Earth and its orbiting Moon. The rover's Mast Camera imaged them on January 31st, 2014, its 529th day on the Red Planet.
05 February 2014, 05:09 PM ET
"Dynamic Earth" is the video winner of the 2013 International Science and Engineering Visualization Challenge, jointly sponsored by the National Science Foundation and the journal Science.