mackenzie

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Why Killing Wolves Might Not Save Livestock

New study fuels debate over how to reduce attacks on cows and sheep.<p>In late August, a government sharpshooter in a helicopter hovering above a wooded eastern Washington hillside killed the lead female wolf of the Huckleberry Pack. The aim was to end attacks by the wolf pack, which had killed more …

USA's ravenous $1.5B problem: 5 million wild pigs

(NEWSER) – In the past three decades, wild pigs have been spreading across America like crazy — to the tune of 5 million of the porkers in 39 states.<p>The pigs have been part of the landscape since the 1600s, when early settlers allowed them to roam; some escaped, though their numbers have long been …

Why Did The Mountain Lion Cross The Freeway? To Breed

In Los Angeles' Griffith Park, there is a mountain lion known as the "Hollywood Lion."<p>The big cat — known as P22 to ecologists — somehow made it across two very busy freeways to get there. Mountain lions like solitude, but if P22 wants to find a mate and have some cubs, he'll have to risk his life …

New York scientists unveil 'invisibility cloak' to rival Harry Potter's

ROCHESTER N.Y. (Reuters) - Watch out Harry Potter, you are not the only wizard with an invisibility cloak.<p>A cloaking device using four lenses developed by University of Rochester physics professor John Howell and graduate student Joseph Choi is demonstrated in Rochester, New York in this September …

Why mosquitoes bite some people and not others

Science explains one of life’s great mysteries. Plus! A natural remedy to keep you insect-free all summer<p>Jill Richardson<p>July 1, 2014 11:15am (UTC)<p>This article originally appeared on AlterNet.<p>Why are some people so much more attractive to mosquitoes than others? And what can you do about the pesky …

Dogs feel jealous of rival pets, study finds

To legions of dog-owners, the finding will come as no surprise: it does not take much to make a dog feel jealous.<p>Researchers in the US studied 36 dogs and found that most were indifferent when their owners ignored them and read aloud from a children's pop-up book. But when the owners showered their …

The Science of Lightning

A view into some of the rarer types of lightning<p>When it comes to thunderheads, lightning is the great equalizer. Essentially a giant spark, lightning relieves the charge differentials that build up in storm systems. But it’s also one of the greatest mysteries in atmospheric science. Recently, …

Five Species That Are Quietly Dying Off While Nobody Pays Attention

Everyone knows that rhinos or pandas are threatened with extinction. But there are plenty of species slipping away silently, without celebrity …

Extinction

Four-winged flying dinosaur unearthed in China

A new species of prehistoric, four-winged dinosaur discovered in China may be the largest flying reptile of its kind.<p>The well-preserved, complete skeleton of the dinosaur <i>Changyuraptor yangi</i> features a long tail with feathers 30cm in length – the longest ever seen on a dinosaur fossil. The feathers …

Planet of the Stinky Apes: Gorillas Use B.O. as Weapon

Silverback gorillas can broadcast their presence with a stinky stench, or turn off their body odor to hide from strangers, new research suggests.<p>Researchers came to this conclusion after following — and sniffing — one male gorilla for months, and the discovery suggests these primates may be able to …

Gorillas

Narwhal's Trademark Tusk Acts Like a Sensor, Scientist Says

The Arctic whale's tusk is actually a tooth that can grow more than nine feet long; it has baffled people for centuries.<p><b>The arctic whale known as the narwhal is famous for the spiral tusk protruding from its head, but scientists have long battled over the horn's purpose.</b><p>On Tuesday, scientists …

Your Weird Animal Questions Answered

<b>Have a mad question about March hares? Something about squirrels driving you nuts? Want the poop on dung beetles?</b><p>Welcome back to Ask Your Weird Animal Questions, in which we answer a few of your awesome animal inquiries each week. Let’s jump right in, because the first question is about dolphins.<p><b>Do</b> …

Study: Planning Can Protect Whales in Seismic Surveys

Scientists outline recommendations for protecting whales and other marine animals from loud blasts generated by ocean seismic surveys for oil and gas exploration.<p><b>Whale experts have teamed up with the oil and gas industry to develop a step-by-step guide for reducing the impacts of noise pollution</b> …

Rare Giant Salamanders Bred in Captivity

<b>Imagine an amphibian up to 5 feet (1.5 meters) long that can weigh 80 pounds (36 kilograms) and snap chunks off your finger in a split second.</b><p>The Japanese giant salamander is one of the largest of its kind in the world: a mottled, slimy, living fossil that has changed little in millions of …

Hero Shrew Found, One of “Most Bizarre Animals on Earth”

<b>Watch out, Mighty Mouse: Scientists have found a new species of shrew with incredible strength.</b><p>Dubbed Thor’s hero shrew after the brawny god of strength in Norse mythology, <i>Scutisorex thori</i> is one of the most bizarre animals on Earth thanks to its supertough, interlocking spine, according to Bill …

Dolphins Have Longest Memories in Animal Kingdom

Marine mammals can remember their friends after 20 years apart, study says.<p><b>Sorry, elephants: Dolphins have taken the top spot for best memory, at least for now.</b><p>New experiments show that bottlenose dolphins can remember whistles of other dolphins they'd lived with after 20 years of separation. Each …

First Killer Whale Reintroduced to Wild Has Baby

Springer, who was rescued in 2002, is a success story, experts say.<p><b>The only killer whale known to be put back into the wild after human intervention was spotted with her first baby last week.</b><p>In 2002, a young killer whale named Springer was reintroduced to her pod in northern Vancouver Island (map), …

Nat Geo Photographer Takes You Along on a Dive with Massive Goliath Groupers

Here’s a short jealousy-inducing behind the scenes look at some of what storied underwater photographer David Doubilet gets to do when he’s out on …

Why Do Zebras Have Stripes? Mystery Solved, Scientists Say

For years, scientists have debated the evolutionary reason behind a zebra's stripes. Are they: a. Costumes for courtship? b: Camouflage to confuse lions and other predators? c: A natural way to cool off? d: Bug repellent?<p>If you answered "d," you'd win the prize, at least in the eyes of Tim Caro, a …

Biology

Sleep cycles: Why do some people stay up late and others get up early?

<i>This question originally appeared on Quora.</i><p><b>Answer by Suzanne Sadedin, Ph.D. in zoology from Monash University:</b><p>Advertisement<p>Your sleep cycle is …

Tornadoes: The Science Behind the Destruction

Atmospheric scientists aim to improve their forecasts.<p>At least 29 people are dead after a string of tornadoes hit states in the Southern and Midwestern U.S. over the past few days. The National Weather Service predicts more severe weather on Tuesday.<p>How tornadoes form and how they die is not fully …

Fantastic Fungi: The Startling Visual Diversity of Mushrooms Photographed by Steve Axford | Colossal

<p>To think any one of these lifeforms exists in our galaxy, let alone on our planet, simply boggles the mind. Photographer Steve Axford lives and …