AMIT ADIKANE

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Report from Zimbabwe: First rain and crepuscular rays

A first rain in six months for Mutare, Zimbabwe. Afterwards, crepuscular rays in a clear blue sky, then against a flaming red sunset.<p>On October 30, …

Should Human Stem Cells Be Used To Make Partly Human Chimeras?

An intense debate has flared over whether the federal government should fund research that creates partly human creatures using human stem cells.<p>The National Institutes of Health declared a moratorium in late September on funding this kind of research. NIH officials said they needed to assess the …

Genetics

Paleo Profile: The Greatest Auk

At nearly three feet tall and weighing ten pounds, the Great Auk was the bulkiest member of its family of seabirds. But, despite its name, it wasn’t the largest of all time. Between 8.7 and 4.9 million years ago, there was an even bigger auk.<p>The bird, named <i>Miomancalla howardae</i> by paleontologist N. …

Tomorrow, Watch A Live Spacewalk On NASA TV

To complete a very long repair job<p>How long does it take to get a broken cooling system back to normal? If it's on the International Space Station (ISS), it might take three years.<p>On Friday, astronauts Scott Kelly and Kjell Lindgren will perform a six and a half hour spacewalk. Both astronauts made …

Space Exploration

US astronauts dodge ammonia on risky ISS spacewalk to reconfigure ammonia cooling system

Astronauts Scott Kelly and Kjell Lindgren dodge flecks of highly toxic ammonia, used to cool electronics at the orbiting outpost, as they work to fix the ISS' cooling system<p>Two US astronauts successfully dodged hazardous ammonia flakes during a risky spacewalk Friday to complete the repair of a …

Space Science
Climate

SETI seeks signal from mystery star

Star KIC 8462852 made headlines last month for having a possible alien megastructure. SETI team now seeking deliberate radio signal. None found …

Tune in to second spacewalk live November 6

If you missed last week’s spacewalk, here’s another chance. The same two ISS astronauts are performing their second spacewalk today (November 6, …

Space Exploration

Which Weather Disasters Of 2014 Were Influenced By Climate Change?

We are our own worst enemy<p>First and foremost, let's get something out of the way: weather and climate are not the same thing. Climate is a long-standing pattern of temperature, precipitation and other atmospheric conditions in a given area, while weather looks at those same parameters over a much …

Biology
Depression
Depression
Space

Why Can’t We Live On Mars? Blame The Sun

Findings from the MAVEN spacecraft suggest solar eruptions helped to destroy Mars' atmosphere<p>Billions of years ago, Mars might have looked a lot like Earth. It had vast amounts of water on its surface, and it was wrapped in a nice thick atmosphere. Now, after losing 99 percent of its atmosphere, …

Britain's first astronaut for 24 years hopes to inspire Mars interest

LONDON (Reuters) - The man who will become the first British astronaut to visit the International Space Station said on Friday he hoped his mission would inspire young Britons to one day journey to Mars.<p>Tim Peake, 43, a former army major, will blast off on a six-month mission for the European Space …

Space Science

Al Risha knots Fishes of Pisces

The star Al Risha in the constellation Pisces is not bright. But – at the tip of the graceful V in Pisces – it’s very noticeable.<p>Alpha Piscium, or Al …

Horoscopes

231 Varieties of Rain: Frogdrops Keep Falling on My Head

Poor Rob McKenna. He drives a truck, so he’s constantly moving, never in the same place for long. And yet everywhere he goes—city, country, near, far, morning, afternoon—it doesn’t matter, wherever Rob is, it’s raining. He can turn, reverse, zigzag, it doesn’t matter. Clouds just follow him, and to …

Did The Language You Speak Evolve Because Of The Heat?

English bursts with consonants. We have words that string one after another, like angst, diphthong and catchphrase. But other languages keep more vowels and open sounds. And that variability might be because they evolved in different habitats.<p>Consonant-heavy syllables don't carry very well in …

Linguistics

Watch Dudes In Jetpacks Play With An Airliner Over Dubai

It’s a bird, it’s a plane, it’s two dudes with jetpacks and a plane!<p>Jetpacks are here, but they’re unevenly distributed to a couple of guys who love doing stunts in Dubai. French daredevil and pilot Yves Rossy, also known as “Jetman”, has flown over the Grand Canyon and in Rio de Janeiro, but he …

Aliens

Why The Obama Administration Rejected The Keystone XL Pipeline

Nothing's coming down that pipe<p>Obama just called TransCanada's bluff. Flanked by Vice President Joe Biden and Secretary of State John Kerry in the White House's Roosevelt Room, Obama officially announced the rejection of the Keystone XL pipeline.<p>In his remarks, Obama noted that the pipeline had …

Solar wind likely stripped Martian atmosphere

Mars was once warm and wet, say scientists. But most of the water from its atmosphere was likely stripped away by solar winds.<p>Data suggest that most …

Astronomy
Aquaculture

Slippery Truths: What The Data Says About The Keystone XL Pipeline

Separating fact from fiction<p><i>This article was originally published in the February 2015 issue of</i> Popular Science, <i>under the title "Slippery Truths." It has been updated for the web.</i><p>After it was narrowly defeated last November, the bill for the Keystone XL oil pipeline just cleared the House of …

New Gene-Editing Technique Treats Baby's Leukemia

It’s got all the elements of a movie script — a dying baby, desperate parents, and a team of doctors with a completely untried and highly experimental treatment.<p>With nothing to lose, they try it on the baby. And…it works. Maybe. Maybe not. But one-year-old Layla Richards is better, and everyone …

Cancer

Today's kids could walk on Mars, says Britain's first official astronaut

As he packs his bags for the International Space Station next month, Major Tim Peake hopes to inspire the next generation<p>Major Tim Peake, Britain’s first official astronaut, has packed family photos, Christmas gifts and a pack of balloons for his trip to the International Space Station, and …

Space Science

New International 'Star Wars' Trailer Still Doesn’t Have Luke

More battles, fewer Skywalkers<p>There are exactly 41 days and 12 hours until <i>Star Wars: The Force Awakens</i> opens in theaters, not that anyone is counting. Until the release, fans, superfans, casual observers, and uh, paid writers are poring over every new slice of footage released, trying to divine the …

Star Wars