Archive for the ‘Vídeo’ Category

Shark populations worldwide are under enormous pressure due to overfishing. So what happens to an ecosystem when apex predators like sharks disappear? We talk to Discovery Channel shark advisor Andy DeHart to find out.

Surfing huge waves can be deadly - and exhilarating. Same goes for the wipe outs. One of the sport’s most extreme surfers talks James Williams through the experience.

Good night, sleep tight, don’t let the bed bugs bite! Those tiny, bloodsucking pests are making a comeback, infesting homes and hotels nationwide. Entomology professor Mike Raupp gives Jorge Ribas a closer look at the creepy critters.

From the panda to the cuttlefish, everybody’s got to eat. And for the animals at the Smithsonian’s National Zoo, those meals depend on a team of nutritionists, cooks and keepers.

Nine named storms in 3.5 months. All in 1 minute. A new time lapse released from NASA and NOAA shows the 2009 hurricane season in a flash.

When one viewer reacted to a giant double rainbow outside his California home, he asked, what does it mean? We have an answer.

A new iPhone app turns even the worst singers into rock stars. Discovery News reporter James Williams gets a taste.

Ever get a mouthful of water while swimming at the beach and wonder why the ocean is so salty? Discovery News’ Kasey-Dee finds out.

Gorillas and other African great apes play the same type of tag and chase games that human children do. Click link at right to get the whole story.

Rare bog turtles are getting help from some unlikely environmentalists: sheep and goats that snack on woody and invasive plants. Discovery News’ Jorge Ribas visits turtles’ wetland home.

How much trash is in our oceans, and does it look more like a floating landfill or a plastic soup. Anna Cummins, co-founder of the 5 Gyres Project, gives Jorge Ribas the facts about her recent trip into the Atlantic Garbage Patch.

It’s summer and we all know what a sunburn looks and feels like. Discovery News’ Kasey-Dee Gardner answers the blistering question as to why we get sunburned.

With this recent heat wave sending temperatures on the East Coast into the triple digits, Discovery News’ Kasey-Dee Gardner finds out why do we feel uncomfortable in hot weather when our body temp is 98.6 degrees.

Uncle Sam is a national icon in the United States, but where did he come from? Was he a real person? Discovery News’ James Williams takes a look into the past to find the answer.

A new phone app is giving Seattle bus riders real-time information about their transits arrival. Discovery News’ Kasey-Dee Gardner reports on how this technology is saving riders time and money.

Volcano photographer Richard Roscoe describes what it was like sitting a few feet away from an erupting volcano.

Uncle Sam is a national icon in the United States, but where did he come from? Was he a real person? Discovery News’ James Williams takes a look into the past to find the answer.

Players and coaches at the 2010 World Cup are complaining that the Jabulani, the tournament’s official ball, behaves unpredictably. Discovery News’ Jorge Ribas talks to a NASA aerospace engineer and a pro soccer player to find out the science behind the ball.

Discovery News’ Kasey-Dee Gardner shines some light on why fireflies brighten up the summer sky.

All athletes, especially football players, should recognize the signs of dehydration during summertime practice. Discovery News’ Jorge Ribas reports.

Have you ever eaten ice cream too fast and gotten a stinging sensation in your face? Discovery News’ Kasey-Dee Gardner finds out why we get brain freeze.

Sustainable surfboard makers are using soy products to create the surfboards of the future.

Summertime means being outside and watching out for ticks. The bloodsucking parasites transmit illnesses like Lyme disease and Rocky Mountain spotted fever. Discovery News’ Jorge Ribas gets tips on how to avoid them.

A tiger and two camels have been missing for the past few days and now zoo officials worry their live are at risk. Animal expert Dave Salmoni talks about the incident.

Vuvuzelas let the fans be heard during soccer matches in a big way. James Williams finds out if the sounds this instrument makes are really that annoying and why.

As if tornado chasing wasn’t dangerous enough, there’s bolts of lightning to worry about. Storm Chaser Reed Timmer talks about everything you’re not supposed to do in an electrical storm.

Thresher sharks, spiky urchins and sea snails are just a few of the creatures Eddie Kisfaludy fetches from the ocean. James Williams reels in the details.

The Japanese Hayabusa probe exploded on its re-entry to Earth, but a capsule possibly containing samples of asteroid dust survived. Discovery News’ Ian O’Neill explains.

University of Washington researchers have developed a mind-controlled robot that operates on human brainwaves. Discovery News’ Kasey-Dee Gardner finds out the human benefits of such a bot.

The lives of Roman gladiators and the wide reach of the bloody games throughout the empire is coming more into focus thanks to the discovery of a possible gladiator graveyard in Britain. Jorge Ribas talks to the excavation’s field officer.

The fur trade wiped out the sea otter populations worldwide. Now scientists have figured out an innovative way to get insights into sea otter reproduction- using their poop as a pregnancy test. Kasey-Dee Gardner explains.

The discovery of a baby gas giant planet orbiting a young, 12 million-year-old star means that these types of planets can form much more quickly than previously thought.

Volcanologists can observe bubbling lava pools through smoke and haze thanks to thermal imaging. Discovery News’ Michael Reilly talks us through the amazing visuals.

Vuvuzelas let the fans be heard during soccer matches in a big way. James Williams finds out if the sounds this instrument makes are really that annoying and why.

Will the real ET be little green men or little green bacteria. SETI Institute Senior Astronomer Seth Shostak theorizes what our first alien encounter might be like. “Through the Wormhole with Morgan Freeman” premieres tonight on Science Channel!

Nanotechnology promises to make our lives better. Andrew Maynard, Chief Science Advisor for the Project on Emerging Nanotechnologies, talks about three ways it could.