Video Archive
16 January 2014, 10:57 AM ET
When female spiders sense a disturbance in their webs, they respond by attacking (clip 1). To prevent becoming a meal, courting male black widow and hobo spiders 'twerk' their abdomens, drumming and tapping the web to show their good intentions.
16 January 2014, 09:28 AM ET
Clouds rising from the cracks near Barrow Alaska are pumping mercury down to the ice and ocean. It can be toxic to animals residing in the area, and can contaminate the food chain.
15 January 2014, 04:58 PM ET
A cheap, self-administered test that requires only a pencil, paper, and ten minutes of a patients time can catch the cognitive symptoms of Alzheimer's disease years before a patient would alert their doctor about them.
15 January 2014, 04:00 PM ET
A camera-toting alligator, taking a swim, is seen chomping on an unidentified animal or fish.
15 January 2014, 03:41 PM ET
Aoraki / Mount Cook is the tallest mountain in New Zealand, but it's actually nearly 100 feet (30 meters) shorter than was previously thought.
15 January 2014, 12:47 PM ET
An environmentalist group in Iceland has aided in the postponement of highway construction with claims it would disturb an elf habitat.
15 January 2014, 11:10 AM ET
Washington D.C.'s National Zoo shows off its new giant panda cub. Alicia Powell reports.
15 January 2014, 10:34 AM ET
Researchers mounted cameras on falcons to study how these raptors mount aerial attacks to pursue their prey. The footage sheds light on the strategies used by falcons to intercept their targets mid-flight.
14 January 2014, 07:29 PM ET
A new robot can hover, ascend and fly horizontally with remarkably stability thanks to a jellyfish-like design. The robot's four wings are just 3 inches (8 centimeters) long.
14 January 2014, 04:59 PM ET
If one lays a long chain of macaroni in a neat pile in a beaker, pulls an end and releases it, the chain will not only flow to the floor due to gravity but also spontaneously arc upward as it moves.
14 January 2014, 04:54 PM ET
If one lays a long chain of beads in a neat pile in a beaker, pulls an end of the chain and releases it, the chain will not only flow to the floor due to gravity but also spontaneously arc upward as it moves.
10 January 2014, 07:17 PM ET
NASA Associate ISS Program Scientist Tara Ruttley talks about the experiment and other science on the latest Orbital Sciences cargo run.
09 January 2014, 04:28 PM ET
A 2-month-old baby polar bear at Toronto Zoo took his first steps in this video. Full Story:
09 January 2014, 03:54 PM ET
It's incredibly thin but 100 times stronger than steel while still being flexible. It's transparent, can conduct electricity, can easily be made magnetic, and is cheap to make. This wonder material sounds like fiction, but Graphene is the real deal.
09 January 2014, 10:23 AM ET
Rusto-Oleum's NeverWet can create a water repellant hydrophobic surface when applied correctly.
08 January 2014, 03:29 PM ET
The supermassive singularity at the center of our galaxy (Sgr A*) flares in X-ray radiation every 5 - 10 days. Astronomers swing NASA’s Swift XRT spacecraft to spy on the 4 million solar mass black hole every few days.
08 January 2014, 01:04 PM ET
Scientists in Finland have been studying 2000 children (from 3 different socioeconomic regions in Europe) to try and determine why there is a rise in diabetes in countries with a high standard of living.
08 January 2014, 11:05 AM ET
Astronomers at the Space Telescope Science Institute (StSci) are experimenting with 3D printers to deliver Hubble imagery to the vision impaired. It is also useful as a learning tool for sighted people.
08 January 2014, 10:51 AM ET
Chad Blakley ( captured the intense northern lights over Abisko National Park in norther Sweden on January 7th, 2014. The powerful Solar x-flare on the same day may deliver auroras even further south by Jan. 9th.
08 January 2014, 10:35 AM ET
For the 1.3 billion people on earth without consistent access to electricity, dirty and sometimes dangerous kerosene lanterns are their only choice for nighttime lighting, which is why Panasonic wants to give away 100,000 solar powered lanterns.
07 January 2014, 03:36 PM ET
An X1-class flare erupted from sunspot AR1944 on Jan. 7th, 2014. A geomagnetic storm may affect Earth, possibly resulting in radio interference, or even electrical blackouts. Earlier in the day, a less powerful M-class flare was recorded as well.
07 January 2014, 03:12 PM ET
Rust-Oleum's new NeverWet water proofing treatment creates a superhydrophobic surface that completely repels water.
07 January 2014, 01:48 PM ET
People watching stormy weather along the Portuguese coast are caught unaware when a large wave crashes over the sea wall, sending them running for safety. Rough Cut (no reporter narration)
07 January 2014, 12:52 PM ET
650,000 whales, dolphins and other marine mammals are killed every year by foreign fleets not abiding by American fishing guidelines.
06 January 2014, 07:01 PM ET
Prairie dogs "jump-yip" to check in and make sure their burrow mates are paying attention to potential predators. This contagious prairie dog "wave" is one of the many social behaviors of these rodents.
03 January 2014, 01:38 PM ET
In collaboration with Broad Institute scientists, Daniel Kohn created this art work inspired by the ideas of genomics. The piece spanned seven floors and 1572 individual pieces that moved, morphed, grew and evolved over the course of 9 months.
03 January 2014, 12:01 PM ET
The typical packing plastic that comes with most consumer gadgets is far from environmentally friendly, but an innovative company has created a new mushroom based material that can be thrown in your garden instead of the garbage.
03 January 2014, 11:10 AM ET
Typical packing plastic is terrible for the environment, derived from petroleum and destined for the garbage. By using mushroom roots, Ecovative Design created a completely bio-degradable packing material made from farm waste.
02 January 2014, 04:49 PM ET
A law going into effect in 2014 offers incentives to schools to keep life saving epinephrine injectors on hand in case of a severe allergy attack. Previously parents had to provide epinephrine to a school's nurse beforehand.
30 December 2013, 03:04 PM ET
A Tobacco Hornworm caterpillar that fed on regular tobacco was able to ward off a spider attack with a release of noxious warning that is produced nicotine. Caterpillars fed genetically modified tobacco did not fare well.
30 December 2013, 03:03 PM ET
Kyla McMullen was mystified by the magic of electronic gizmos and spent much of her time figuring out how they worked so it was a no brainer when she chose computer science as her college major.
30 December 2013, 11:23 AM ET
Anthony Joseph discusses his beginnings and research in computer science.