Video Archive
04 February 2015, 02:00 PM ET
The Euphlyctis kalasgramensis frog has been known as Euphlyctis cyanophlyctis for the last 216 years. But they were incorrectly categorized due to "lack of proper study" says researcher M. Sajid Ali Howlader.
29 January 2015, 06:35 PM ET
Sarah studies apes, monkeys, humans and other primates to understand how cooperation has evolved over time.
28 January 2015, 10:50 AM ET
Experiments with baby chickens suggest they perceive lower values as lying to the left of higher values, similar to how humans use a number-line. If true, this may date back to a common ancestor of birds and people.
27 January 2015, 07:01 PM ET
A scanning electron microscope must look at objects in vacuum in order to work. To study live insects, scientists dipped ants and spider into diluted "tiny spacesuit" surfactant.
26 January 2015, 12:49 PM ET
Scientists have found a way to switch a mouse’s sense of thirst on or off by shining laser light on the animals’ brains.
26 January 2015, 12:28 PM ET
The NOAA GOES-13 satellite captured the massive winter storm bearing down on the east coast of the United States on Jan. 26th, 2015. GOES ‘sees’ infrared radiant energy and reflected visible light.
23 January 2015, 07:25 PM ET
Marine ecologist Paul Sikkel explains why corals are important and how marine life thrives in protected areas.
23 January 2015, 01:58 PM ET
Fish-hunting Conus geographus and Conus tulipa are caught on camera attempting to capture prey by lowering the victim’s blood sugar, retarding their ability to flee.
23 January 2015, 10:17 AM ET
The Whillans Ice Stream Subglacial Access Research Drilling (WISSARD) project drilled through the Ross Ice Shelf and found fish living 2400 feet beneath.
22 January 2015, 02:47 PM ET
The company Robotbase is building a personal robot that can keep your home secure, help you chat with loved ones and even read bedtime stories.
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