A red-belted bumblebee visiting a lupine. This bee is covered in pollen, demonstrating the incredibly effective pollination service that such species perform. Yet, bumblebee species are responding very badly to climate changes across continents, and many species have simply retreated from hot areas entirely.
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Special issue: Philae results shed light on the nature of comets

Landing points (SONC) on a NAVCAM image are shown. Note that a second TD2, here taken at 17:24
(observed time: 17:25:26) is not modeled by RMOC and here only an example is given, since it
is not well constrained. We expect that the last hop was only a few meters.During the first ever landing of a probe on a comet, the world held its breath as Philae survived a bouncy landing on comet 67P/Churyumov-Gerasimenko on November 12, 2014. This...

Astronomers discover powerful aurora beyond solar system

Astronomers have discovered the first aurora ever seen in an object beyond our Solar System. The aurora -- similar to the famous "Northern Lights" on Earth -- is 10,000 times...

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Physicists discover long-sought 'pentaquark' particle

Now that NSF-funded researchers have discovered the long-sought pentaquark, their next step is to study how quarks are bound together within this remarkable particle. They could be bound together tightly, as seen in this image.CERN's Large Hadron Collider announced Tuesday that researchers discovered a remarkable class of particles known as pentaquarks that could reshape scientists' understanding about the properties of matter.

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Feathered cousin of 'Jurassic Park' star unearthed in China

This is an artist's impression of <i>Zhenyuanlong suni</i>.A newly identified species of feathered dinosaur is the largest ever discovered to have a well-preserved set of bird-like wings, research suggests.

'Golden jackals' of East Africa are actually 'golden wolves'

A golden jackal (<em>Canis anthus</em>) from Serengeti National Park, Tanzania. Based on genomic results, the researchers suggest this animal be referred to as the African golden wolf, which is distinct from the Eurasian golden jackal (<em>Canis aureus</em>).Despite their remarkably similar appearance, the "golden jackals" of East Africa and Eurasia are actually two entirely different species. The discovery, based on DNA evidence and reported in the Cell...

Robotic insect mimics Nature's extreme moves

The concept of walking on water might sound supernatural, but in fact it is a quite natural phenomenon. Many small living creatures leverage water's surface tension to maneuver themselves around....

Mobile stroke treatment units may greatly improve survival rates, chance of recovery for ischemic stroke patients

Two new studies presented today at the Society of NeuroInterventional Surgery 12th Annual Meeting in San Francisco, report that Mobile Stroke Treatment Units (MSTUs) can significantly reduce the time it...

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New guidelines for statin eligibility improve prediction of cardiovascular risk

The new guidelines for determining whether patients should begin taking statins to prevent cardiovascular disease issued in 2013 by the American College of Cardiology (ACC) and the American Heart Association...

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UT Dallas nanotechnology research leads to super-elastic conducting fibers

University of Texas at Dallas scientists have constructed novel fibers by wrapping sheets of tiny carbon nanotubes to form a sheath around a long rubber core. This illustration shows complex two-dimensional buckling, shown in yellow, of the carbon nanotube sheath/rubber-core fiber. The buckling results in a conductive fiber with super elasticity and novel electronic properties.An international research team based at The University of Texas at Dallas has made electrically conducting fibers that can be reversibly stretched to over 14 times their initial length and...

Research with bite

<em>Gorgosaurus</em> is shown using its specialized teeth for feeding on a young <em>Corythosaurus</em> in Alberta, 75 million years ago.The Tyrannosaurus rex and its fellow theropod dinosaurs that rampage across the screen in movies like Jurassic World were successful predators partly due to a unique, deeply serrated tooth structure...

Astronomers discover Earth's bigger cousin

Today an international team of astronomers from NASA's Kepler mission have announced the discovery of a near-Earth-sized planet in the habitable zone of a Sun-like star.

Polar bears experience limited energy savings in summer, new study finds

A young polar bear on pack ice over deep waters in the Arctic Ocean, October 2009.Polar bears are unlikely to physiologically compensate for extended food deprivation associated with the ongoing loss of sea ice, according to one-of-its-kind research conducted by University of Wyoming scientists and...

Study finds abrupt climate change may have rocked the cradle of civilization

Ali Pourmand (left) and Ph.D. candidate Arash Sharifi visually inspect the physical properties of a sediment core collected from NW Iran. This meter-long core recorded the environmental condition of the region for the past 2000 years.New research reveals that some of the earliest civilizations in the Middle East and the Fertile Crescent may have been affected by abrupt climate change. These findings show that while...

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Horned dinosaur discovery sheds light on nose horn evolution in Triceratops family

This is a life reconstruction of <I>Wendiceratops pinhornensis</I> gen. et sp. nov.Scientists have discovered Wendiceratops pinhornensis, a new species of horned dinosaur based on fossils collected from a bone bed in southern Alberta, Canada, according to a study published July 8,...

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Researchers find the 'acoustic signature' of screams

A team of New York University neuroscientists has identified the "acoustic signature" of screams, a study that points to the unique attributes of this form of expression and suggests we...

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ALMA witnesses assembly of galaxies in the early universe for the first time

This view is a combination of images from ALMA and the Very Large Telescope. The central object is a very distant galaxy, labelled BDF 3299, which is seen when the Universe was less than 800 million years old. The bright red cloud just to the lower left is the ALMA detection of a vast cloud of material that is in the process of assembling the very young galaxy.When the first galaxies started to form a few hundred million years after the Big Bang, the Universe was full of a fog of hydrogen gas. But as more and...

A jump for soft-bodied robots

Traditional robots are made of components and rigid materials like you might see on an automotive assembly line - metal and hydraulic parts, harshly rigid, and extremely strong. But away...

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With acoustic reflector, carnivorous pitcher plants advertise themselves to bats

To maintain mutualism, plants specifically appeal to their animal partners' perception. This study show that Paleotropical carnivorous plants have reflective structures that are acoustically attractive for mutualistic bats. This phenomenon can similarly be found in a few Neotropical bat-pollinated flowers.In Borneo, some insectivorous bats have developed a rather intriguing relationship with carnivorous pitcher plants. The plants offer the bats a relatively cool place to roost, free of parasites and...

Earliest evidence of reproduction in a complex organism

Artist's reconstruction of the Fractofusus community on the H14 surface at Bonavista Peninsula showing the clusters that arise from stolon-like reproduction. The large individuals represent the primary colonizers of the site. Their offspring cluster around them, and are themselves surrounded by their own offspring - the third generation on the bed. The stolon-like protrusions are faintly visible and weave in and out of the microbial mat which covers the seafloor. Lighting is artificial and as though from a submersible ROV.Researchers led by the University of Cambridge have found the earliest example of reproduction in a complex organism. Their new study has found that some organisms known as rangeomorphs, which...

Stem cells move one step closer to cure for genetic diseases

Salk researchers have generated disease-free stem cells from patients with mitochondrial disease that can be converted into any cell type including neuronal progenitors (left) or heart cells (right). These could potentially be used for future transplantation into patients.Healthy brain, muscle, eye and heart cells would improve the lives of tens of thousands of people around the world with debilitating mitochondrial diseases. Now, researchers at the Salk Institute...

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Drought's lasting impact on forests

This is a stressed forest in the southwestern United States.In the virtual worlds of climate modeling, forests and other vegetation are assumed to bounce back quickly from extreme drought. But that assumption is far off the mark, according...