Whitewater rafting on the Upper Gauley River with Adventures On The Gorge and Class VI is one of the best adventure vacations in the world. In the top 5 rafting trips in the world, the Upper Gauley is the epitome of West Virginia whitewater. Come join us at our basecamp on the rim of the New River Gorge and have the best vacation of your life.
With over 70 rapids and breathtaking scenery, whitewater rafting on the Lower Gauley river with Adventures On The Gorge and Rivermen is the best choice for an adventurous first time rafter or experienced New River enthusiast alike.
BY STEVEN SPARKMAN
ANCHOR CHRISTINA HARTMAN
You're watching multisource science video news analysis from Newsy.
This story might make your skin crawl. Fire ants are known to group up and float when their nests get flooded. Now engineers are studying exactly how these ant-rafts are made. PopSci reports.
“Nobody has really bothered to study fire ants before, having been generally more interested in cursing at them and running quickly away from them... Turns out fire ants, when in groups, grasp onto each other using their mandibles, forming an intricate and precise pattern something like a Gore-Tex fabric.”
The ants’ clumping behavior lets them ooze like a thick liquid and also explains their watertight behavior.
The researchers started with a giant ball of ants, and dumped them in water. Within two minutes the ball flattened out into a raft. The researchers found the ants’ rough skin and tiny hairs were able to hold air pockets, making the raft impenetrable to water -- even when shoved down by a researcher’s tweezers. (Video source: Wired / Seattle PI)
At first glance, you might think the ants are sacrificing those on the bottom for the sake of those on the top, and that they could only float so long before they all drowned. Not so. These rafts can float for weeks, and Nature News says the arrangement works for everybody.
“Although the raft is porous and its base is below the water level, none of the ants are submerged, or even get wet. Instead, the ants at the base of the raft push against the water's surface and shape it around them into a bowl without breaking the surface tension.”
Even though the rafts are resilient, they aren’t entirely unsinkable. Just in case you ever need to defend yourself from a fire ant flotilla, Live Science quotes one researcher who lets us in on the rafts’ weakness.
“The ant rafts have their own kryptonite, however: soap. It and other... substances that break up surface tension of the water -- wreak havoc with the rafts. ‘If you introduce just a small amount of soap to the surface of the water to lower surface tension then the raft will begin to immediately sink.’”
The researchers say studying the way ants swarm can help engineers develop swarming robots. A bunch of simple robots working together could do complex tasks beyond the reach of a single, smart robot.
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Transcript by Newsy.
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