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Dr. Nir Sapir, University Of Haifa, Insect Migration

New Study Reveals That Insects Also Migrate

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The researchers found that insects engage in the largest continental migration on earth. Some 3.5 trillion insects in Southern Britain alone migrate each year – a biomass eight times that of bird migration.

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Plate Techtonics, Mid Ocean Ridges, East Pacific Rise

Heat From Earth’s Core Could Be Underlying Force in Plate Tectonics

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For decades, scientists have theorized that the movement of Earth’s tectonic plates is driven largely by negative buoyancy created as they cool. New research, however, shows plate dynamics are driven significantly by the additional force of heat drawn from the Earth’s core. The new findings also challenge the theory that underwater mountain ranges known as mid-ocean ridges are passive boundaries between moving plates. The findings show the East Pacific Rise, the Earth’s dominant mid-ocean ridge, is dynamic as heat is transferred.

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Genomics, Environment, Antarctic, Ocean, Diatoms, Evolution, Ecosystem, Genetics, Phytoplankton, Adaptation, Eukaryotes, eukaryotic biology, Population Genetics

Tracking Antarctic Adaptations in Diatoms

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An international team of researchers conducted a comparative genomic analysis to gain insights into the genome structure and evolution of the diatom Fragillariopsis cylindrus, as well as its role in the Southern Ocean.

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Anthropology, acheology, Bering Strait, human settlements, Yukon, Radiocarbon, PLoS ONE, Montreal

The First Humans Arrived in North America a Lot Earlier Than Believed

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Anthropologists at Université de Montréal have dated the oldest human settlement in Canada back 10,000 years.

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Diversification Key to Resilient Fishing Communities

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Fishing communities can survive ― and even thrive ― as fish abundance and market prices shift if they can catch a variety of species and nimbly move from one fishery to the next, a new University of Washington study finds.

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Earthquakes, Tonga Trench, hydrous minerals, wastewater injection, intermediate-depth earthquakes

Release of Water Shakes Pacific Plate at Depth

A team of seismologists analyzing the data from 671 earthquakes that occurred between 30 and 280 miles beneath the Earth's surface in the Pacific Plate as it descended into the Tonga Trench were surprised to find a zone of intense earthquake activity in the downgoing slab. The pattern of the activity along the slab provided strong evidence that the earthquakes are sparked by the release of water at depth.

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NASA, Hubble Space Telescope, Space Telescope Imaging Spectrograph, Cosmic Origins Spectrograph, COS, HD 172555, exocomets, STAR

Hubble Detects 'Exocomets' Taking the Plunge Into a Young Star

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Interstellar forecast for a nearby star: Raining comets! The comets are plunging into the star HD 172555, which resides 95 light-years from Earth. The comets were not seen directly around the star. Astronomers inferred their presence when they used NASA's Hubble Space Telescope to detect gas that is likely the vaporized remnants of their icy nuclei.

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Toads

The Mystery of the Earless Toads

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More than 200 species of “true toads” have fully functional inner ears, but cannot fully use them because they have lost their tympanic middle ears, the part of the ear which transmits sound air pressures from the outside world to the inner ear. These “earless” toads rely on sounds to communicate, so why would they lose a sense that is key to their survival and reproduction?

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Typhoon Haiyan, Typhoon, Hurricane, Meteorology, Climate Change, Ocean, ocean salinity

Increasing Rainfall in a Warmer World Will Likely Intensify Typhoons in Western Pacific

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An analysis of the strongest tropical storms over the last half-century reveals that higher global temperatures have intensified the storms via enhanced rainfall. Rain that falls on the ocean reduces salinity and allows typhoons to grow stronger.

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Electronics, stretchable electronics, Electronic Materials, additive manufacturing, MO, stretchable conductors, Semiconducting

Additive Manufacturing: A New Twist for Stretchable Electronics?

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Electronic components that can be elongated or twisted – known as “stretchable” electronics – could soon be used to power electronic gadgets, the onboard systems of vehicles, medical devices and other products.

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Evolution, Histology, Paleontology, Biology, aerobic capacity, Dinosaurs, archosaurs, Mammals, mammals and birds, Birds, Fossils

Biologists Follow ‘Fossilizable’ Clues to Pinpoint When Mammal, Bird and Dinosaur Ancestors Became Athletes

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The study is the first to draw a link between RBC size and microscopic traces of blood vessels and bone cells inside bones. They found that extinct mammal and bird relatives had smaller RBCs and were likely better athletes than earlier terrestrial vertebrates. The timing of RBC-size reduction coincided with Earth's greatest mass extinction 252 mya.

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Salamanders, Evolution, Conservation, Dispersal

Salamanders Brave Miles of Threatening Terrain for the Right Sex Partner

Most salamanders are homebodies when it comes to mating. But some of the beasts hit the road, traversing miles of rugged terrain unfit for an amphibian in pursuit of a partner from a far-away wetland. (With video of a salamander on a treadmill.)

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NASA, Hubble Space Telescope, Nebula, NGC 248, SMC N13, Small Magellanic Cloud, SMIDGE, dwarf satellite galaxy, Advanced Camera For Surveys

Festive Nebulas Light Up Milky Way Galaxy Satellite

Astronomers using NASA's Hubble Space Telescope have captured two festive-looking nebulas, situated so as to appear as one. Known as NGC 248, the nebula resides in the Small Magellanic Cloud, a dwarf galaxy that is a satellite of our Milky Way galaxy.

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Younger Dryas, climate reversal, Mass Extinction, impact hypothesis, Nanodiamonds

The Case of the Missing Diamonds

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A Washington University physicist practiced at finding tiny diamonds in stardust from the pre-solar universe has repeatedly failed to find them in Younger Dryas sedimentary layers, effectively discrediting the hypothesis that an exploding comet caused the sudden climate reversal at the end of the last Ice Age.

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Water Discovered in The "Shadowy" Area of Dwarf Planet Ceres

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Cameras on the Dawn Space Probe have performed a very special feat: they have succeeded in taking photos of water ice deposits in places ruled by almost eternal darkness on the dwarf planet Ceres.

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Astronomers Discover Dark Past of Planet-Eating ‘Death Star’

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An international team of scientists, including researchers from the University of Chicago, has made the rare discovery of a planetary system with a host star similar to Earth’s sun. Especially intriguing is the star’s unusual composition, which indicates it ingested some of its planets.

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Alma, ALMA telescope, protoplanetary disks, Planet Formation

ALMA Finds Compelling Evidence for Pair of Infant Planets Around Young Star

New observations with ALMA contain compelling evidence that two newborn planets, each about the size of Saturn, are in orbit around a young star known as HD 163296.

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New Diamond Harder Than Ring Bling

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International project to make a diamond that's predicted to be harder than a jeweller's diamond and useful for cutting through ultra-solid materials on mining sites.

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New Studies Take a Second Look at Coral Bleaching Culprit

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Scientists have called superoxide out as the main culprit behind coral bleaching: The idea is that as this toxin build up inside coral cells, the corals fight back by ejecting the tiny energy- and color-producing algae living inside them. In doing so, they lose their vibrancy, turn a sickly white, and are left weak, damaged, and vulnerable to disease.

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Greenland, Ice Sheet, Climate Change, UVM, Greenland Ice Sheet, Sea Level Rise, sea level prediction, Geology, Nature, glacial ice, Ice Core, ocean sampling

Greenland on Thin Ice?

New research opens up the deep history of the Greenland Ice Sheet, looking back millions of years farther than previous techniques allowed—and raises urgent questions about if the giant ice sheet might dramatically accelerate its melt-off in the near future.







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