Nature Full HD वॉलपेपर

Nearly 90% of the United States population has at least one caffeinated beverage every day. Learn about the chemistry of caffeine, how it causes increased alertness and focus, and how caffeine is capable of causing overdoses.

The mangroves are a nursery for नींबू sharks, but when the tides rise, it becomes a hunting ground.

Few technological innovations in history have made as much of an impact as the Internet. Learn about the predecessor of the Internet, called ARPANET; how text, audio, and video messages are transmitted through the Internet...

Sit back and relax to the calming Prismatic Spring and geysers of Yellowstone National Park

Enjoy the nature sounds of wild बिजोन, बाइसन and elk in Yellowstone National Park.

The exquisite fossil, which was rescued from poachers, is one of the few known डायनासोर that lived on the water.

Pangolins are believed to be the most trafficked mammals in the world. As the four Asian species of pangolins have dwindled, poachers are increasingly turning to the African species to supply the trade.

As Singapore dredges sand out from beneath Cambodia’s mangroves one woman is faced with the erasure of her beloved home.

On this remote island in Costa Rica, a wildlife sanctuary protects nesting grounds for the Magnificent युद्ध-पोत, फ्रिगेट bird, also called pirate birds. Witness the nesting of these birds that have extraordinary wingspans and can soar for weeks.

Results from a हाल का global survey of amphibians shows that chytrid fungus has threatened twice as many species than previously thought.

Rainforests are घर to over half of the world's plant and animal species. Learn about tropical and temperate rainforests, how they contribute to the global ecosystem, and the conservation efforts being done to protect these biomes.

“Wild ice skating,” या “Nordic skating,” is both an art and a science. A skater seeks out the thinnest, most pristine black ice possible—both for its smoothness, and for its high-pitched, laser-like sounds.