Video Archive
21 January 2015, 01:41 PM ET
"It’s a result of human-induced global warming,” says NASA Goddard Space Flight Center's Steven Pawson referring to recently released data. Pawson notes how the cold East Coast winter and El Nino event had little effect on the rising temps.
21 January 2015, 11:46 AM ET
Scientists have created a laser-etched form of metal that makes water bounce off straight off it, and could be used in airplane wing coatings and keeping surfaces bacteria-free.
19 January 2015, 11:08 AM ET
Hundreds of charred, rolled papyrus scrolls that were buried after the eruption of Mt. Vesuvius in A.D. 79 could be virtually unrolled thanks to a new x-ray method of reading them.
16 January 2015, 11:24 AM ET
Believed to be caused by increasing human contribution of carbon dioxide and heat-trapping gases, the steady increase in average temperatures peaked yet again in 2014. Since 2000, the record for warmest year has been broken 10 times.
14 January 2015, 03:00 PM ET
NASA data shows that average sea ice totals have dropped significantly, with a precipitous fall between 2002 and 2008. Sea level rise is a direct result of sea ice loss.
12 January 2015, 02:00 PM ET
As Arctic permafrost thaws due to rising global temperatures, soil microbes may speed up the rate at which they liberate carbon into the atmosphere.
12 January 2015, 11:20 AM ET
The 415-million-year-old Janusiscus fossil was discovered in Siberia. A study of the skull reveals that it is on the botton of the gnathostomes’ (jawed vertebrates) evolutionary tree.
09 January 2015, 12:35 PM ET
This animation illustrates one mechanism in which HIV enters the T cell of the immune system.
09 January 2015, 10:58 AM ET
Doctors believe that giving premature babies the equivalent of a cup of coffee stimulates the diaphragm, the lungs and the brain. Also, Viagra has been used in babies diagnosed with pulmonary hypertension.
08 January 2015, 03:25 PM ET
A powered exoskeleton from Ekso allows stroke victims and partial spinal cord injury patients, like Shane Mosko, to walk farther, aiding rehabilitation.
08 January 2015, 12:29 PM ET
Experiments with rhesus monkeys show they can learn to recognize themselves in the mirror.
08 January 2015, 11:23 AM ET
A 2004 infrasound recording suggests a 'large body' likely hit the King Baudoin Ice Shelf in East Antarctica. On Dec. 20th, 2014, a circular structure was spotted on the ice shelf during surveys by the International Polar Foundation.
08 January 2015, 10:58 AM ET
In what is being credited as the "largest single collection of lemur remains ever found", anthropologists and paleontologists are scouring caves in Madagascar for fossils that could be a thousand-years old.
07 January 2015, 06:07 PM ET
Researchers from the Ohio State University Wexner Medical Center are testing repetitive transcranial magnetic stimulation (rTMS) using a NexStim developed device.
06 January 2015, 01:54 PM ET
Tiny female flies (genus: Dohrniphora) in Costa Rica kill injured Odontomachus ants (trap-jaw ants), using their "blade-tipped" mouthparts to cut connections between head and body, then use their front legs to pull the ants’ heads free.
04 January 2015, 09:39 AM ET
The clam initially fought off the mantis with its tentacles, which were found to contain high levels of sulphur. The mantis can be seen backing away and entering a "catatonic state" after interacting with the tentacles. The relentless mantis attacked
17 December 2014, 01:42 PM ET
Cold Spring Harbor Laboratory’s gene researchers are accessorizing plant varieties to improve edible crops’ structures, customizing them to growing conditions.
16 December 2014, 12:00 PM ET
Conventional Earthquake measurement equipment is not sensitive enough to quantify the slow moving "slip" of a fault in the Earth. Researchers are now using GPS tools to measure movement, which may help assess risks of destructive earthquakes.
12 December 2014, 04:14 PM ET
Stony Brook University scientists have found the skull of a new "large-eyed agile herbivore" species, which may have lived among the later dinosaurs.
12 December 2014, 03:57 PM ET
Researchers working in the Gulf of Mexico are using masses of jellyfish to help identify where the oceanic environment has changed. University of Southern Mississippi's Dr. Monty Graham explains why and how conditions in the water are shifting.
12 December 2014, 03:32 PM ET
Evolutionary biologists have made great strides in understanding bird genetics and discoveries haves helped narrow down their ages and relationships.
10 December 2014, 05:19 PM ET
The laser weapon system (LaWS) has been brought online by the Office of Naval Research (ONR) and demonstrated aboard the USS Ponce in the Arabian Gulf.
09 December 2014, 07:14 PM ET
An international partnership called the Central African Biodiversity Alliance (CABA) has begun creating a "framework" to conserve thousands of species in the Congo Basin.
08 December 2014, 10:01 AM ET
Measurements of bone movement on x-ray video taken as guineafowl made footprints shows how dinosaurs may have walked 250 million years ago.
04 December 2014, 05:58 PM ET
The panda, whose behavior is being studied, was caught munching on some bamboo at the Wolong Nature Reserve in southwestern China.