Cody Leverette

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Chile volcano leaves residents coping with ash, worried about water

A state of emergency remained in effect for miles around Chile's Calbuco volcano Monday, as officials pledged to help thousands of residents faced with thick ash, the threat of contaminated drinking water and the possibility of lava flow tied to last week's eruptions.<p>Chilean television showed some …

Photographing the stars—the story of the Hubble telescope, told by its chief scientist

When it comes to iconic images of astronomical pillars of gas and dust, views of galaxies soon after they were formed, or glimpses of the accelerating universe driven by Dark Energy, the public can’t seem to get enough. The Hubble Space Telescope is undoubtedly one of the most popular science …

Universe

Is the Placebo Effect in Your DNA?

Some people feel better after dummy treatments, while others feel no difference unless the drugs are real. A new paper argues that the difference may come down to genetics.<p>The first real, physical proof of the placebo effect came in 1978. Running a study on patients who had recently had their …

Placebos

Evidence of liquid water found on Mars

<b>Nasa's Curiosity rover has found that water can exist as a liquid near the Martian surface.</b><p>Mars should be too cold to support liquid water at the surface, but salts in the soil lower its freezing point - allowing briny films to form.<p>The results lend credence to a theory that dark streaks seen on …

Geoscience

Methyl Bromide Pesticide in Paradise Poisoning Case Still Used in U.S. Crops

The pesticide that sickened a Delaware family in the Virgin Islands is banned for indoor fumigation but U.S. growers will still legally use more than 375 metric tons of the chemical on fields this year through special waivers, federal regulators said.<p>Methyl bromide is blamed in the accidental …

Environmental Health

Oceans Are Losing Oxygen—and Becoming More Hostile to Life

Low-oxygen areas are expanding in deep waters, killing some creatures outright and changing how and where others live. It may get much worse.<p>Marlin and sailfish are the oceans’ perfect athletes. A marlin can outweigh a polar bear, leap through the air, and traverse the sea from Delaware to …

Global Warming

US outlines how it will cut 28 percent of greenhouse gas emissions by 2025

The United States began to outline today how it will achieve the goal of cutting greenhouse gas emissions by 28 percent by the end of 2025. In a submission to the UN Framework Convention on Climate Change, the United States says that it will use executive actions, largely under the Clean Air Act, …

Medieval Potion Kills Superbug MRSA Better Than Antibiotic Vancomycin

An ancient concoction for eye infections seems to really work. The potion, which contains cattle bile, kills the "superbug" methicillin-resistant Staphylococcus aureus or MRSA, researchers at Britain’s University of Nottingham report.<p>In fact, it worked better than the current gold standard for MRSA …

Super Bug

A Single Gene May Determine Why Some People Get So Sick With The Flu

It's hard to predict who will get the flu in any given year. While some people may simply spend a few days in bed with aches and a stuffy nose, others may become so ill that they end up in the hospital.<p>Until now, researchers could only point generally at differences between flu patients' immune …

Antarctic ice shelf thinning speeds up

<b>Scientists have their best view yet of the status of Antarctica's floating ice shelves and they find them to be thinning at an accelerating rate.</b><p>Fernando Paolo and colleagues used 18 years of data from European radar satellites to compile their assessment.<p>In the first half of that period, the total …

Mars Opportunity Rover completes first extraterrestrial marathon

Nasa's exploration vehicle completes 26 miles after more than 11 months and two years on the planet<p><b>NASA's Opportunity Mars</b> rover has become the first human-made vehicle to complete a marathon on another planet - a feat accomplished in a record time of no less than 11 years.<p>Opportunity passed the …

Of mice and old men: is the elixir of youth finally coming of age?

It is generally accepted as one of life’s unfortunate, but inevitable facts: we might be able to disguise the wrinkles for a time, but ageing will get us all in the end. Except scientists are now questioning whether it has to be thus, or whether age is simply another disease that might one day be …

Mayo Clinic

Mysterious Bright Spots on Dwarf Planet Ceres May Be Water Ice

Strange features are most likely made of ice, and may be venting water vapor into space.<p>One ofseveral mysterious bright spots on dwarf planet Ceres could be venting a plume of water vapor into space, suggesting that the little world is far from geologically dead.<p>The possible plume appeared in …

Astronomy

Things to Know about California's sea lion crisis

LONG BEACH, Calif. (AP) — More than 1,800 starving sea lion pups have washed up on California beaches since Jan. 1 and 750 are being treated in …

Study raises concerns over big, rapidly thinning Antarctic glacier

<b>(CNN) —</b> Scientists have raised concerns about a large, rapidly thinning glacier in Antarctica, warning it could contribute significantly to rising sea levels.<p>They say they've discovered two openings that could channel warm seawater to the base of the huge Totten Glacier and bring the threat of …

Global Warming

Scientists Take DNA Sample From Woolly Mammoth Leg for Cloning Project

A group of Russian and South Korean researchers has begun their attempt to clone a woolly mammoth, starting by extracting DNA from a spectacularly well-preserved specimen discovered in the Siberian permafrost in 2013. The project is led by Hwang Woo-Suk, a Korean cloning scientist who was the focus …

Genetics

The melting of Antarctica was already really bad. It just got worse

A hundred years from now, humans may remember 2014 as the year that we first learned that we may have irreversibly destabilized the great ice sheet of West Antarctica, and thus set in motion more than 10 feet of sea level rise.<p>Meanwhile, 2015 could be the year of the double whammy — when we learned …

Meteor Streaks Over Loch Ness in Scotland

Scottish tour guide John Alasdair Macdonald says he's not a photographer." I just take some (photos) now and again to put on Facebook," he told the Herald Scotland. "It had been such a lovely weekend and the sky was so clear, I thought I would nip up the loch and take some photos using by little …

Russia to send new missiles to Baltic exclave on maneuvers

MOSCOW (AP) — Russia plans to station state-of-the art missiles in its westernmost Baltic exclave and deploy nuclear-capable bombers to Crimea as …

25 Ideas for Your Best Summer Ever

Yosemite National Park celebrates its 150th birthday (June 30) with special events throughout 2014. It’s one of the elders of our park system, which …

9 TED talks you need to see on Digital Learning Day

There are plenty of ways to celebrate Digital Learning Day, but perhaps one of the most entertaining is to watch a TED Talk. While it was no easy …

Best TED Talks on Education

Although advertisements on the web pages may degrade your experience, our business certainly depends on them and we can only keep providing you …

The Shocking Truth About Creativity

***Warning*** Audience Participation Required!<p>What is it that makes us creative? I mean other than the obvious grey matter, neurological synapse …

Creativity

TED 2015: Eighteen minutes to change the world

Patience Mthunzi is off to the TED conference in the Canadian city of Vancouver this week hoping, among other things, to raise money for a project that could lead to medicines being delivered via laser rather than pills.<p>As a laser physicist, she and her team at the Scientific and Industrial …

From cancer-battling bacteria to life on Mars at TED

The weeklong annual gathering known for blending innovation, inspiration and imagination kicked off with presentations by fresh young visionaries brought in as Fellows.<p>Videos of Fellows "talks" available online at Ted.com have been viewed more than 71 million times since the program was launched in …

Play

<b>Let go of theory.</b> In theory, a question or challenge posed in PBL is so compelling that students will learn all essential facts necessary to answer …

14 things that are obsolete in 21st century schools

Saying that it has always been this way, doesn’t count as a legitimate justification to why it should stay that way. Teacher and administrators all …