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Id say the most amazing footage we were lucky enough to shoot was done in Panama. We were out in the forest and we found an egg clutch with a male frog guarding his tadpoles which was really amazing. So Andy Young, the wonderful cinematographer who s
自然百科2009年
In Argentina, the small city of San Luis is adopting the frog as its provincial hero. Frogs have been touted by some as the antidote to a dengue fever outbreak that's gripped Argentina. There have been over 20,000 cases recorded this year, including
自然百科2009年
Kasey on Why Tell me Why. Someone asked why veins are blue and blood is red. So that's part of this question: why do we have different blood types? Blood types are inherited, just like you inherit your eye color, or your hair texture, so you get a ge
自然百科2009年
The sharks are under increasing threat around the world from overfishing. They are used as a food item in many parts of the world. Shark fin soup is particularly popular in Asian countries. And sharks are easy to catch. You put a baited hook in the w
自然百科2009年
Rick swims through a shadowland thousands of feet deep. Out of the dark, animals can materialize not just from in front or behind, but above or below as well. Were down swimming around in that dark sea, looking in a miniature world and suddenly I fee
自然百科2009年
As thousands of turtles arrive at a beach in Oaxaca, Mexico, to lay their eggs this season, federal and local authorities have been deployed to protect them against poachers. As the turtles nest on the Pacific coast, Mexican Navy patrols keep watch a
自然百科2009年
Australia's worst dust storm in 70 years blanketed the countrys east coast Wednesday in a cloud of red outback grit. The reddish pall swept into the cities of Sydney and Brisbane overnight, bringing an eerie orange dawn to Sydney. The color was amazi
自然百科2009年
A 16th Century convent in Mexico has reemerged as water levels in a dam reservoir have fallen to low levels. Low water levels at the Malpaso hydroelectric dam in the southern Mexican state of Chiapas have uncovered part of the convent, which was subm
自然百科2009年
It resembles the blob from science fiction stories, but it's very real. These jell-like sheets of disease-carrying mucus are spreading across portions of the Mediterranean and Adriatic Sea, where this video was taken. This stringy mass is known as ma
自然百科2009年
NASA's twin Stereo spacecrafts called Behind and Ahead captured rare footage of the Sun erupting over about a 30 hour period between September 26th and 27th. From the Behind perspective on the left, the long filament, darker than the Sun's surface, c
自然百科2009年
Japanese researchers claimed that chimpanzees are capable of human-like altruism. Kyoto Universitys Primate Research Institute published their findings in the scientific and medical research journal Plus One. Twelve chimpanzees were used in the exper
自然百科2009年
In animals, this part of the brain evolved around the time of the dinosaurs before mammals existed. It's hardwired to beat starvation. For three days Jean-Luc has been trapped underground. He hasn't had a morsel to eat. He doesn't know it, but his br
自然百科2008年
Arava, the disabled tortoise is using her new set of wheels to get around in more ways than one. Keepers at the Jerusalem Biblical Zoo say the 10-year-old Spurred Tortoise was fitted with custom wheels to overcome paralysis of her hind legs. The 55-p
自然百科2008年
The small town of Cuatro Cienegas in northern Mexico is an oasis (绿洲) in the Chihuahuan desert. It s a valley that holds an example of what some believe is the one of the first human footprints in the Americas（美洲大陆以及附近岛屿）
自然百科2008年
Climate change is normally bad news for endangered species, but in the case of Australias Grey Nurse Shark, some scientists suggest it might actually help their fight for survival. The Grey Nurse Shark is one of Australias most critically endangered
自然百科2008年
The farmland of Wang Yang-tang in Hubei province lies abandoned. Over the last century, sand has devoured the rich pastures. As sand dunes edge closer to Beijing each year, Northern China's rapidly turning into desert. Shen Zhao-xiang, the director o
自然百科2008年
NASA scientists report NASAs Phoenix spacecraft has discovered evidence of past water at its Martian landing site and spotted falling snow for the first time on Mars. Soil experiments reveal the presence of two minerals known to be formed in liquid w
自然百科2008年
White lions are roaming the African plains once again. Over the past decades, few sightings were reported of these rare big cats in their natural environments. And South African white lions could only be seen in breeding programs and circuses. Now th
自然百科2008年
This converts more starches to fermentable sugars which reduces the calories in the beer overall, an original bud weiser brewed in the US contains 5% of alcohol, 143 calories and 10.6 carbs, while a bud light weighs in at 4.2% alcohol, 110 calories a
自然百科2014年
For six months, Yellowstone endures an unrelenting winter. An ice world of hunters and hunted. But now footsteps on the slopes of a mountain herald a change in the season. The sun regains its strength.Water flows again. The race begins to recover win
自然百科2012年