Articles tagged "research"

coral

Life goes on for marine ecosystems after cataclysmic mass extinction

An international team of scientists, including Dr. Alex Dunhill from the University of Leeds, has found that although the mass extinction in the Late Triassic period wiped out the vast proportion of species, there appears to have been no drastic changes to the way...

October 21, 2017

Amazon rainforest

Environmental impact of Amazonian hydropower significantly underestimated

The environmental impact of hydropower generation in the Amazon may be greater than predicted, according to new University of Stirling research. The study suggests that estimates of biodiversity and carbon losses associated with tropical hydropower may be higher...

October 21, 2017

laser energy converted into super high energy protons

Gamma rays will reach beyond the limits of light

Researchers have discovered a new way to produce high energy photon beams. The new method makes it possible to produce these gamma rays in a highly efficient way, compared with today's technique. The obtained energy is a billion times higher than the energy of...

October 21, 2017

9comet 41p Tuttle Giacobini Kresak

Spinning comet rapidly slowed down during close approach to Earth

Astronomers at Lowell Observatory observed comet 41P/Tuttle-Giacobini-Kresak last spring and noticed that the speed of its rotation was quickly slowing down. A research team led by David Schleicher studied the comet while it was closer to the Earth than it has ever...

October 19, 2017

estimated population with arsenic usa

Study estimates about 2.1 million people in United States use wells high in arsenic

A new study by the US Geological Survey and Centers for Disease Control and Prevention estimates about 2.1 million people in the United States. may be getting their drinking water from private domestic wells considered to have high concentrations of arsenic,...

October 19, 2017

giza pyramids egypt

Volcanic eruptions linked to social unrest in Ancient Egypt

Around 245 BCE Ptolemy III, ruler of the Ptolemaic Kingdom in Egypt, made a decision that still puzzles many historians: After pursuing a successful military campaign against the kingdom's nemesis, the Seleucid Empire, centered mainly in present-day Syria and...

October 18, 2017

new study analyses volcanic fatalities in more detail than ever before

New study analyses volcanic fatalities in more detail than ever before

Building on existing information and databases relating to volcanic fatalities, scientists from the University of Bristol have, for the first time, been able to classify victims by activity or occupation and look at the distance of their death from the volcano. It...

October 18, 2017

lusi volcano

Scientists determine source of world's largest mud eruption

On May 29, 2006, mud started erupting from several sites on the Indonesian island of Java. Boiling mud, water, rocks and gas poured from newly-created vents in the ground, burying entire towns and compelling many Indonesians to flee. By September 2006, the largest...

October 17, 2017

goce

The missing mass — what is causing a geoid low in the Indian Ocean?

The Earth’s interior is still a mystery to us. While we have sent missions to probe the outer reaches of our solar system, the deepest boreholes on Earth go down to only a few kilometers. The only way to learn what’s going on deep inside our planet, in...

October 17, 2017

verkhoyansk mountains shaka republik yakutia russia

Winter cold extremes linked to high-altitude polar vortex weakening

Over the last decades, the stratospheric polar vortex has shifted towards more frequent weak states which can explain Eurasian cooling trends in boreal winter in the era of Arctic amplification. When the strong winds that circle the Arctic slacken, cold polar air...

October 17, 2017

beach near crescentcity

Giant tsunami reshaped California coastline

New evidence suggests a gigantic tsunami hit the California coast 900 years ago, removing three to five times more sand than any El Niño storm in history. Since large tsunamis hit the northwestern US every 300 to 500 years and the last occurred in January...

October 17, 2017

florida hurricane

12 000 years ago, Florida hurricanes heated up despite chilly seas

According to new research by Michael Toomey and his colleagues from The Geological Society of America's Journal Geology, Category 5 hurricanes may have slammed Florida repeatedly during the chilly Younger Dryas, 12 000 years ago, as hurricane-suppressing effects...

October 16, 2017

large earthquakes along olympic mountain faults

Study confirms large earthquakes along Olympic Mountain faults

A comprehensive study of faults along the north side of the Olympic Mountains of Washington State emphasizes the substantial seismic hazard to the northern Puget Lowland region. The study examined the Lake Creek-Boundary Creek and Sadie Creek faults along the north...

October 14, 2017

spindle like galaxies

Astronomers discover unusual spindle-like galaxies

Using the CALIFA survey, astronomer Athanasia Tsatsi (Max Planck Institute for Astronomy) and her colleagues studied the spindle-like galaxies and found that these slender galaxies, which rotate along their longest axis, are much more common than previously thought....

October 14, 2017

jupiter auroras

Jupiter's auroras present a powerful mystery

Scientists on NASA's Juno mission have observed massive amounts of energy swirling over Jupiter's polar regions that contribute to the giant planet's powerful auroras - only not in ways the researchers expected. Examining data collected by the...

September 15, 2017

tectonic plates at þingvellir

Tectonic plates weaker than previously thought

Experiments carried out at Oxford University have revealed that tectonic plates are weaker than previously thought. The finding explains an ambiguity in lab work that led scientists to believe these rocks were much stronger than they appeared to be in the natural...

September 14, 2017

asteroid impact simu

Dino-killing asteroid strike could have thrust Earth into two years of darkness

Tremendous amounts of soot, lofted into the air from global wildfires following a massive asteroid strike 66 million years ago, would have plunged Earth into darkness for nearly two years, new research finds. This would have shut down photosynthesis, drastically...

August 23, 2017

breakthrough device heals organs

Breakthrough device heals organs with a single touch

Researchers at The Ohio State University Wexner Medical Center and Ohio State's College of Engineering have developed a new technology, Tissue Nanotransfection (TNT), that can generate any cell type of interest for treatment within the patient's own body....

August 08, 2017

veddell sea anomaly loc

Study explains anomaly in Earth's atmosphere over the Weddell Sea

A new study finds that the ionospheric anomaly over the Weddell Sea, near the tip of South America in the southeast Pacific Ocean, is likely influenced by proximity to auroral energy input, rather than by tilting magnetic fields. The anomaly was discovered in the...

August 08, 2017

cotopaxi volcano ecuador

Scientists improve forecast of increasing hazard on Cotopaxi volcano

An international team of scientists showed an increasing volcanic danger on Cotopaxi volcano in Ecuador using a powerful technique known as Interferometric Synthetic Aperture Radar (InSAR). The Andes region in which Cotopaxi volcano is located is known to contain...

August 08, 2017

ngc 2683

Study provides evidence for externally powered Sun

A new study published in the International Journal of Current Research provides evidence for externally powered Sun, challenging the concepts of the Standard Solar Model (SSM). The study suggests our star is not an isolated celestial body, but rather it is linked...

August 01, 2017

failure is not an option

Huge drop in men’s sperm levels confirmed by new study

Sperm count in men from North America, Europe, Australia and New Zealand declined by 50-60% between 1973 and 2011, according to a new study from the Hebrew University of Jerusalem. Surprisingly, the study, which analyzed data on the sperm counts of 42 935 men, found...

July 30, 2017

amazon rainforest

New study shows the Amazon makes its own rainy season

A new study gives the first observational evidence that the southern Amazon rainforest triggers its own rainy season using water vapor from plant leaves. The finding helps explain why deforestation in this region is linked with reduced rainfall. The study analyzed...

July 28, 2017

india monsoons strengthen

Indian monsoons have strengthened over past 15 years

A 50-year dry spell has reversed, with more rain to come. An MIT study published today in Nature Climate Change finds that the Indian summer monsoons, which bring rainfall to the country each year between June and September, have strengthened in the last 15 years...

July 28, 2017

sea cave preserves 5 000 year snapshot of tsunamis f

Sea cave preserves 5 000-year snapshot of tsunamis

An international team of scientists digging in a sea cave in Indonesia has discovered the world's most pristine record of tsunamis, a 5 000-year-old sedimentary snapshot that reveals for the first time how little is known about when earthquakes trigger massive...

July 28, 2017

large distant comets more common than thought

Large, distant comets more common than previously thought

Comets that take more than 200 years to make one revolution around the Sun are notoriously difficult to study. Because they spend most of their time far from our area of the solar system, many "long-period comets" will never approach the Sun in a...

July 26, 2017

high risk unprecedented rainfall uk

UK Met Office: High risk of unprecedented rainfall in the UK

New innovative research has found that for England and Wales there is a 1 in 3 chance of a new monthly rainfall record in at least one region each winter (October - March). In the last few years, several rainfall events have caused widespread flooding in the UK. In...

July 25, 2017

lake sidi ali moroccan middle atlas

Dust deposits give new insights into the history of the Sahara

The Sahara is the world's largest desert and dust source with significant impacts on trans-Atlantic terrestrial and large-scale marine ecosystems. Remote Saharan dust influences the Earth's radiation budget and tropical North Atlantic ocean-atmosphere...

July 20, 2017

plastic waste

Over 9.1 billion tons of plastic have been produced and most of it thrown away

More than 9.1 billion tons of plastic have been manufactured since the material was initially mass-produced in the 1950s, according to "the first global analysis of all mass-produced plastics," which reports the majority has ended up in landfills or...

July 20, 2017

lhcb cern new particles visualization

CERN's LHCb experiment announces observation of a new particle

At the EPS Conference on High Energy Physics held this week in Venice, the LHCb experiment at CERN’s Large Hadron Collider has reported the observation of Ξcc++ (Xicc++) a new particle containing two charm quarks and one up quark. The existence of this...

July 08, 2017

strike slip

How strike-slip faults form, the origin of earthquakes

Structural geologist Michele Cooke calls it the "million-dollar question" that underlies all work in her laboratory at the University of Massachusetts Amherst: what goes on deep in the earth as strike-slip faults form in the crust? This is the fault type...

July 08, 2017

earth magnetic field study

Study finds Earth’s magnetic field ‘simpler than we thought’

Scientists have identified patterns in the Earth’s magnetic field that evolve on the order of 1 000 years, providing new insight into how the field works and adding a measure of predictability to changes in the field not previously known. The discovery also...

July 08, 2017

fires in africa may 2017

Steep drop in natural and human-caused fires worldwide

Researchers using NASA satellites to detect fires and burn scars from space have found that an ongoing transition from nomadic cultures to settled lifestyles and intensifying agriculture has led to a steep drop in the use of fire for land clearing and an overall...

June 30, 2017

fossils from pliocene marine megafauna extinction

Previously unknown extinction of marine megafauna discovered

Over two million years ago, a third of the largest marine animals like sharks, whales, sea birds and sea turtles disappeared. This previously unknown extinction event not only had a considerable impact on the Earth’s historical biodiversity but also on the...

June 28, 2017

self assembling particles

Sound waves direct particles to self-assemble, self-heal

An elegantly simple experiment with floating particles self-assembling in response to sound waves has provided a new framework for studying how seemingly lifelike behaviors emerge in response to external forces. Scientists at the Department of Energy’s...

June 28, 2017

orbiting black holes

Groundbreaking discovery confirms existence of orbiting supermassive black holes

For the first time ever, astronomers at The University of New Mexico say they've been able to observe and measure the orbital motion between two supermassive black holes hundreds of millions of light years from Earth - a discovery more than a decade in the...

June 28, 2017

distant earthquakes can cause underwater landslides

Distant earthquakes can cause underwater landslides

New research finds large earthquakes can trigger underwater landslides thousands of miles away, weeks or months after the quake occurs. Researchers analyzing data from ocean bottom seismometers off the Washington-Oregon coast tied a series of underwater landslides...

June 28, 2017

planet 10 new planet kuiper belt

Study suggests another large planetary body exists in Solar System

A new study from the University of Arizona suggests that an unknown, and currently unseen planetary body exists in the outer reaches of our solar system. The planet is located far beyond Pluto and has a mass somewhere between that of Mars and Earth. This object is...

June 23, 2017

incecisive weather by sheila sund

How large-scale water cycles influence quake activity in California

A new study shows how seasonal changes in large-scale water cycles in California influence small-scale quake activity. It confirms that the annual hydrological loading cycle modulates microseismicity in California. The results of the study reveal how snow, rain,...

June 16, 2017

all stars born in pairs

Our sun had a twin when it was born, study

According to a new analysis by a theoretical physicist from UC Berkley and a radio astronomer from the Smithsonian Astrophysical Observatory at Harvard University, our sun, as well as every other sunlike star in the universe, had a twin when it was born. Astronomers...

June 14, 2017