Scientists discover potentially habitable planets

Is there life beyond our solar system? If there is, our best bet for finding it may lie in three nearby, Earth-like exoplanets.

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New horned dinosaur had spikes at back of neck shield

Holotype cranial Material and Cranial Reconstruction of <i>Machairoceratops cronusi</i> (UMNH VP 20550) gen. et sp. nov.

<p>Recovered cranial elements of <i>Machairoceratops</i> in right-lateral view, shown overlain on a ghosted cranial reconstruction (A). The jugal, squamosal and braincase are all photo-reversed for reconstruction purposes. <i>Machairoceratops</i> cranial reconstruction in dorsal (B), and right-lateral (C) views. Green circle overlain on the ventral apex of the jugal highlights the size of the epijugal contact scar (ejcs). 

<p>Abbreviations: BC, braincase; boc, basioccipital; bpt, basipterygoid process; ej, epijugal; ejcs, epijugal contact scar; j, jugal; lpr, lateral parietal ramus; lsb, laterosphenoid buttress; m, maxilla; n, nasal; o, orbit, oc, occipital condyle;oh, orbital horn; on, otic notch; p, parietal; pf, parietal fenestra; pm, premaxilla; po, postorbital; poc, paroccipital process; p1, epiparietal locus p1; sq, squamosal. 

<p>Scale bars = 0.5 m.A new horned dinosaur discovered in Utah had two spikes projecting from the back of its neck shield, according to a study published May 18, 2016 in the open-access journal...

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New material temporarily tightens skin

"Second skin" polymer could also be used to protect dry skin and deliver drugs.Scientists at MIT, Massachusetts General Hospital, Living Proof, and Olivo Labs have developed a new material that can temporarily protect and tighten skin, and smooth wrinkles. With further development, it...

Ancient tsunami evidence on Mars reveals life potential

The geologic shape of what were once shorelines through Mars' northern plains convinces scientists that two large meteorites - hitting the planet millions of years apart - triggered a pair...

UCI astronomers determine precise mass of a giant black hole

Astronomers from the University of California, Irvine and other universities have derived a highly precise measurement of the mass of a black hole at the center of a nearby giant...

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Scientists report world's first herbivorous filter-feeding marine reptile

Fossil and reconstruction of <I>Atopodentatus unicus</I>.Some strange creatures cropped up in the wake of one of Earth's biggest mass extinctions 252 million years ago. In 2014, scientists discovered a bizarre fossil--a crocodile-sized sea-dwelling reptile, Atopodentatus...

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Strange sea-dwelling reptile fossil hints at rapid evolution after mass extinction

This is <i>Sclerocormus parviceps</i>, the newly described marine reptile.Two hundred and fifty million years ago, life on earth was in a tail-spin--climate change, volcanic eruptions, and rising sea levels contributed to a mass extinction that makes the death...

Fastest-ever molecular imaging reveals reaction crucial for vision

Every process that sustains life is carried out by proteins, but understanding how these complex molecules do their jobs depends on learning the arrangement of their atoms -- and how...

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SwRI scientists discover evidence of ice age at martian north pole

Using radar data collected by NASA's Mars Reconnaissance Orbiter, a Southwest Research Institute-led team found evidence of an ice age recorded in the polar deposits of Mars. Ice ages on...

Europa's ocean may have an Earthlike chemical balance

The ocean of Jupiter's moon Europa could have the necessary balance of chemical energy for life, even if the moon lacks volcanic hydrothermal activity, finds a new study.

River food webs threatened by widespread hydropower practice

<p>Grand Canyon Youth river trip participants collect a sample of aquatic insects along the Colorado River.

<p>The decline of aquatic insects downstream from some hydroelectric dams has been linked to a widespread practice known as hydropeaking, whereby river flows are increased during the day when electricity demands are large, according to a new study led by the US Geological Survey, along with researchers from Oregon State University, Utah State University and Idaho State University. Findings show it may be possible to mitigate these negative effects by using alternative hydropower practices.

<p>The research was based in part on a large citizen science project with more than 2,500 insect samples taken on the Colorado River in the Grand Canyon, downstream of Glen Canyon Dam. This dataset was collected almost entirely by river guides, educational groups, and other citizen scientists.The decline of aquatic insects downstream from some hydroelectric dams has been linked to a widespread practice known as hydropeaking, whereby river flows are increased during the day when electricity...

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More than 1,200 new planets confirmed using new technique for verifying Kepler data

Scientists from Princeton University and NASA have confirmed that 1,284 objects observed outside Earth's solar system by NASA's Kepler spacecraft are indeed planets. Reported in The Astrophysical Journal on May 10, it is the largest single announcement of new planets...

Scientists develop human embryos through early post-implantation stages for first time

A new technique that allows embryos to develop in vitro beyond the implantation stage (when the embryo would normally implant into the womb) has been developed by scientists at the...

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Rapid, low-cost detection of Zika virus using paper-based synthetic gene networks

University of Toronto Assistant Professor of Pharmacy Keith PardeeUniversity of Toronto Assistant Professor of Pharmacy Keith Pardee and an international team of collaborators, including scientists from the Wyss Institute at Harvard University, have developed a low-cost, easy-to-use diagnostic...

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Doubling down on Schrödinger's cat

Yale physicists have given Schr&ouml;dinger's cat a second box to play in.Yale physicists have given Schrödinger's famous cat a second box to play in, and the result may help further the quest for reliable quantum computing.

Zika virus: Optimized tests for reliable diagnosis

Transmission electron micrograph of Zika Virus particles (red).DZIF scientists from the University of Bonn have shown that not all conventional Zika virus molecular diagnostic tests for are sufficiently reliable. They developed optimised assays and a control for...

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Study suggests medical errors now third leading cause of death in the US

Analyzing medical death rate data over an eight-year period, Johns Hopkins patient safety experts have calculated that more than 250,000 deaths per year are due to medical error in the...

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Florida archaeological site yields clues to early civilization in southeast US

Assistant Professor Jessi Halligan and a research team recovered several bones and stone tools from the Page-Ladson site on the  Aucilla River.The discovery of stone tools alongside mastodon bones in a Florida river shows that humans settled the southeastern United States as much as 1,500 years earlier than scientists previously believed,...

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World's shallowest slow-motion earthquakes detected offshore of New Zealand

Scientists deploy an ocean bottom seismometer and absolute pressure gauge offshore of Gisborne, New Zealand from the R/V Tangaroa.Research published in the May 6 edition of Science indicates that slow-motion earthquakes or "slow-slip events" can rupture the shallow portion of a fault that also moves in large, tsunami-generating...

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Hubble takes Mars portrait near close approach

This is a Hubble Space Telescope photo of Mars taken when the planet was 50 million miles from Earth on May 12, 2016.Bright, frosty polar caps, and clouds above a vivid, rust-colored landscape reveal Mars as a dynamic seasonal planet in this NASA Hubble Space Telescope view taken on May 12, 2016,...

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Six new fossil species form 'snapshot' of primates stressed by ancient climate change

This is a left lower jaw of <i>Yunnanadapis folivorus</i>, one of six new fossil species found in southern China.In a study to be published this week in the journal Science, researchers describe unearthing a "mother lode" of a half-dozen fossil primate species in southern China.

NASA scientist suggests possible link between primordial black holes and dark matter

This image from NASA's Spitzer Space Telescope shows an infrared view of a sky area in the constellation Ursa Major.Dark matter is a mysterious substance composing most of the material universe, now widely thought to be some form of massive exotic particle. An intriguing alternative view is that dark...

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