'Fright or flight'
New wildlife photos are snapped everyday, but take a look above. That's a blue-spotted sea urchin, recently shot off the coast of Maui by photographer David Fleetham. It looks psychedelic, but you're not going to want to get too close: each of those hundreds of orange and white spines is venomous, and you're in for a world of trouble if you get pricked.
The spines wave constantly, and are beautiful, but they're also a poisonous defence mechanism. Seem wild? Check out these strange animal defences to compare.
Latest tech videos
Date 14-07-25 4:45
Tooltip Information:What If Your Home Was Slipping Into the Ocean?Video by:Description: North Carolina’s barrier islands, known as the Outer Banks, are eroding as the sea level rises. This means some land—and homes—will be swallowed by ocean, and the people who live there must cope with the immediate impacts of climate change. Money has been spent to keep the sand in place, but Mother Nature keeps pushing back. Read more about the changes happening in the Outer Banks: http://news.nationalgeographic.com/news/special-features/2014/07/140725-outer-banks-north-carolina-sea-level-rise-climate/Rating: 5Views: 3813
Date 14-07-24 2:39
Tooltip Information:173-Year-Old Whaling Ship Returns to Save WhalesVideo by:Description: The world's last remaining wooden whaling ship has sailed again. Built in 1841, retired 80 years later, and kept on display since then, the Charles W. Morgan set sail in July in the waters off Cape Cod. Once it roamed the seas to harvest whales. After more than five years of restoration, the majestic sailing ship is now used as a tool at Mystic Seaport to educate the public about preserving and protecting whales. Read more about the Charles W. Morgan: http://news.nationalgeographic.com/news/2014/07/140724-whaling-ship-new-england-boston-connecticut-sailing/Rating: 2.5Views: 4199
Date 14-07-17 3:15
Tooltip Information:Digging Into Scotland's Mysterious, Ancient PastVideo by:Description: Scotland's Orkney Islands are so dense with human artifacts that they've been called "the Egypt of the North." At the site of a colossal complex that predates Stonehenge, archaeologists have discovered Neolithic art, pottery, and several carved stones that are extremely rare. Read more about the finds online in National Geographic magazine: http://ngm.nationalgeographic.com/2014/08/neolithic-orkney/smith-textRating: 3.42Views: 4419
Date 14-07-23 4:50
Tooltip Information:A Family Faces Hunger in America’s HeartlandVideo by:Description: In Iowa, Christina Dreier and her husband often must choose between paying bills and buying enough food for their family. Food stamps and the local food pantry provide some relief, but sometimes the Dreiers' best efforts aren't enough. They are among millions of Americans who struggle with hunger, and those numbers are on the rise. Read more about hunger in the United States online in National Geographic magazine: http://www.nationalgeographic.com/foodfeatures/hunger/ By 2050 we'll need to feed two billion more people. Click here for a special eight-month series exploring how we can do that—without overwhelming the planet: http://food.nationalgeographic.com.Rating: 4Views: 1953
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- I'm a tech-head — first in line to buy the latest and greatest.
- I'll typically wait for the first wave to pass and the bugs fixed before diving in.
- If it ain't broke, don't fix it. I hang on to my tech goodies for good reason.
- I'm still using a VCR and my late '90s flip phone.