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Spinach Leaf Transformed Into Beating Human Heart Tissue

Using the plant like scaffolding, scientists built a mini version of a working heart, which may one day aid in tissue regeneration.<p>Scientists have found a way to use spinach to build working human heart muscle, potentially solving a long-standing problem in efforts to repair damaged organs.<p>Their …

Biomedical Engineering

How to get involved with NASA: Crowdsourcing ideas for Mars houses, robots, and space poop

These crowd-sourced projects, framed as challenges, draw people from all over the world. To date, a dozen platforms exist to host the challenges, including a site called Freelancer.com, whose latest challenge involves designing a robotic arm for a new generation of free-flying robots on the ISS.<p>The …

Crowdsourcing

Atlantic Kayaker Wins 2015 People’s Choice Adventurer of the Year

<i>Updated 2-17-2015</i><p>“If 67 years young can do it, you can do it, too.” — Aleksander Doba, who made the longest open-water solo kayak crossing of the Atlantic Ocean in history.<p>The votes have been counted—a record-setting 521,000 of them. Our People’s Choice Adventurer of the Year award goes to Atlantic …

Kayaking

There’s a Good and a Bad Way to ‘Geoengineer’ the Planet

Fighting climate change by pulling CO₂ out of the atmosphere makes sense, an expert committee says. Blocking the sun, not so much.<p>Developing the technology to suck planet-warming carbon dioxide back out of the atmosphere is an expensive but promising approach that may be necessary to help prevent …

Climate Change

Zimbabwe Planning to Increase Its Sales of Baby Elephants, Sources Say

Forcibly separating baby elephants from their mothers causes trauma impossible to contemplate.<p>For opponents of Zimbabwe’s controversial plan to export scores of baby elephants, the stakes have just gotten higher.<p>More than 80 young elephants are being held in a capture facility in Hwange National …

Wildlife

Spacecraft Launched to Watch Earth and Warn of Solar Storms

From a million miles away, an Earth-watching satellite will issue solar storm warnings.<p><i>Update: The DSCOVR spacecraft launched Wednesday, February 11, at 6:03 p.m. EST. The 1,256-pound (570 kilogram) observatory will take about 110 days to reach its orbital position and begin operations.</i><p>A planned …

Space

Charles Townes, physicist who invented the laser, dies at 99

Charles Townes, the<p>Columbia Universityphysicist who transformed modern society with his invention of the maser and the laser, receiving the 1964Nobel Prizein physics for his effort, has died. He was 99.<p>Townes, who had been in failing health, died Tuesday in Oakland while on his way to a hospital, …

Physics

As Oceans Heat Up, a Race to Save World's Coral Reefs

Will efforts to save corals be overwhelmed by the quickening pace of climate change?<p>MIAMI—Early one December morning, Chris Langdon, a biological oceanographer at the University of Miami, zipped up his wet suit and dropped overboard just off Key Largo to inspect a section of Florida's ailing coral …

Coral Reefs

Solar Panels Floating on Water Will Power Japan's Homes

More solar power plants are being built on water, but is this such a good idea?<p>Nowadays, bodies of water aren't necessarily something to build around—they're something to build <i>on</i>. They sport not just landfills and man-made beaches but also, in a nascent global trend, massive solar power …

Renewable Energy

Missing Spacecraft Found on Mars After 11-Year Search

Europe's Beagle 2 is sitting on the Martian surface, dead but mostly intact.<p>The European Space Agency's Beagle 2 lander, which vanished from contact after setting down on the red planet on Christmas Day 2003, has been found at last.<p>The find solves a mystery of more than a decade—whether and where …

Space Science

Mass Animal Die-Offs Are on the Rise, Killing Billions and Raising Questions

Huge animal die-offs, along with disease outbreaks and other population stressors, are happening more often.<p><b>What's New</b><p>We're not talking about a few dead fish littering your local beach. Mass die-offs are individual events that kill at least a billion animals, wipe out over 90 percent of a …

Zoology

Astronomers Spy "Bullet" Galaxy Blasting Through Other Galaxies

A speedy space collision rips gas from a fast-moving galaxy.<p><b>What's New</b><p>A distant galaxy pierced another group of galaxies like a bullet, astronomers report, in a cosmic collision some 1.4 billion light-years away.<p>Observations from Europe's XMM-Newton X-ray space telescope reveal that the bullet …

Astrophysics

5 Ways Regular People Are Tracking Wildlife With Personal Tech

Apps and websites encourage citizens to upload photos and videos of their natural encounters.<p>Whale sharks are generally thought of as denizens of the tropical waters of the Gulf of Mexico or the warm waters of the Indian Ocean. But in July 2014, a person in New Jersey saw a whale shark and reported …

Wildlife

Harvesting the Unlikely Fruits of Oil and Gas

Changing Planet<p>Photo by Caine Delacy / Image of Platform Eureka after her beams had been cleaned down to 65 feet of all fouling and invertebrates, Long Beach, CA / Instagram @c_delacy<p>I’m not sure what I expected when I rolled over the side of our boat to once again dive the long legs of Platform …

Oil & Gas Industry

What To Expect In 2015: General Relativity Gets Put To The Test

Experiments could lead to a "theory of everything"<p>Over the course of four Thursdays in November 1915, Albert Einstein stood before the Prussian Academy in Berlin and unveiled a set of equations that upended our ideas about space and time. A century later, his grand project remains frustratingly …

Stunning 3-D Models Reveal Bizarre Double Star Acting Up

The star system Eta Carinae sends out the brightest flares yet recorded.<p>SEATTLE—Armed with a 3-D printer, a supercomputer, and several space telescopes, astronomers have gotten their best look yet at one of the galaxy's biggest, weirdest double star systems.<p>Surprising new observations of the …

Universe

'The Gambia coup didn't just fail, it backfired'

US authorities have charged two men this week in connection with a plot to overthrow authoritarian president Yahya Jammeh. The episode will only help to tighten his grip on the country, says Simon Allison<p>Gambia coup plotters: model US citizens but ‘everybody has a breaking point’<p>On Monday, US …

Deutsche immer islamfeindlicher | Kultur | DW | 08.01.2015

Danach empfinden 57 Prozent der nichtmuslimischen Bundesbürger den Islam als Bedrohung. Im Jahr 2012 waren es noch 53 Prozent. Zudem waren 61 Prozent …

Umstrittene Methode: Klonen menschlicher Zellen bald Routine?

Viele Jahre nach dem großen Ethikstreit ist es soweit: Das Klonen menschlicher Zellen zu Therapiezwecken macht enorme Fortschritte. In Amerika ist …

Erwärmung und Wetterchaos: „El Nino“ ist im Anflug

Das Weltklima könnte im Laufe der kommenden Monate aus den Fugen geraten. Ein El-Nino, eine starke Klimaanomalie, kündigt sich im Pazifik an. …

Glosse: Vermüllter Meeresgrund

Die Spuren der Wegwerfgesellschaft, insbesondere Plastikmüll, finden sich fast überall am Meeresboden. Auch in Tiefseegräben, wo man sie nicht …

Wegen Sanktionen?: Russland steigt aus Raumstation aus

Die russische Raumfahrtbehörde Roskosmos will sich ab 2020 nicht mehr an der Internationalen Raumstation ISS beteiligen. Beobachter vermuten einen …

Fusionsreaktor Iter: Das lange Warten auf die Zündung

Der Fusionsreaktor Iter ist das größte Forschungsprojekt der Welt. Wird der „Sonnenofen“ die Antwort auf alle Energiefragen liefern oder scheitern? …

Suche nach Aids-Impfstoff: Treibjagd auf HIV

Die Forschung an Impfstoffen gegen Aids kommt voran: Im Blut von Patienten wurden potente Antikörper gefunden. Ihre Entstehungsgeschichte hilft …

Getting more electricity out of solar cells

When sunlight shines on today’s solar cells, much of the incoming energy is given off as waste heat rather than electrical current. In a few …

The universe in a cube

A massive computer simulation has produced a model of the universe’s evolution with new accuracy in some important measures — and yielded a new …

Delving deep into the brain

Launched in 2013, the national BRAIN Initiative aims to revolutionize our understanding of cognition by mapping the activity of every neuron in the …

New building will be a hub for nanoscale research

Starting in 2018, researchers from across MIT will be able to take advantage of comprehensive facilities for nanoscale research in a new building to …

What’s the future of wealth — and inequality?

For a couple of generations of Americans growing up after the Great Depression and World War II, it seemed normal that the middle class would command …