Research

New study reveals widespread risk of infectious diseases to wild bees

Researchers have discovered a network of viruses, which were previously associated with managed honeybees, may now pose a widespread risk to bumblebees in the wild, according to a new study published today in the Journal of Animal Ecology.The study revealed multiple int

March 04, 2015

Astronomers find newborn stars at the edge of the Milky Way galaxy

A team of Brazilian astronomers led by Denilso Camargo of the Federal University of Rio Grande do Sul have made a remarkable discovery, a cluster of stars forming on the very edge of the Milky Way galaxy. This is the first time astronomers have found stars being born

February 27, 2015

A new view of the Solar System: astrophysical jets driven by the Sun

As the sun skims through the galaxy, it flings out charged particles in a stream of plasma called the solar wind, and the solar wind creates a bubble extending far outside the solar system known as the heliosphere. For decades, scientists have visualized the heliosphere

February 20, 2015

8 million tons of new plastic waste enters our oceans each year

Plastic debris in the marine environment is well known and widely documented, but the quantity of plastic making its way into the world’s oceans and from where it originates has been a mystery until now.A new study published today in the journal Science, quantifie

February 13, 2015

Earth's surprise inside: Geologists unlock mysteries of the planet's inner core

Seismic waves are helping scientists to plumb the world’s deepest mystery: the planet’s inner core.Thanks to a novel application of earthquake-reading technology, a research team at the University of Illinois and colleagues at Nanjing University in China hav

February 11, 2015

50 years of data shows US Midwest flooding more frequent

The US Midwest and surrounding states have endured increasingly more frequent flood episodes over the past half-century, according to a new study by scientists from the University of Iowa.The UI researchers based their findings on daily records collected by the USGS at

February 10, 2015

Sun's activity in 18th century was similar to that now

Counting sunspots over time helps in knowing the activity of our star but the two indices used by scientists disagree on dates prior to 1885. Now an international team of researchers has tried to standardise the historical results and has discovered that, contrary to wh

February 10, 2015

Landmark study links pesticides to high depression rates

Globally, one person dies by suicide roughly every 40 seconds. Around the world, over one million people commit suicide each year - an increase of 60 percent over the last four and a half decades. Incredibly, farmers have one of the highest rates of self-inflicted death

February 06, 2015

Mercury concentrations in Hawaiian yellowfin tuna increasing

Mercury concentrations in Hawaiian yellowfin tuna are increasing at a rate of 3.8 percent or more per year, according to a new University of Michigan-led study that suggests rising atmospheric levels of the toxic substance are to blame. Mercury is a toxic trace metal th

February 05, 2015

Planetary scientists predict Earth-like planets around most stars

Planetary scientists have calculated that there are hundreds of billions of Earth-like planets in our galaxy which might support life. The new research, led by PhD student Tim Bovaird and Associate Professor Charley Lineweaver from The Australian National University (AN

February 05, 2015

Insight into behavior of African monsoon

Between 14 800 and 5 500 years ago, during a period known as the "African Humid Period", Sahara was characterized by lush, green vegetation and a network of lakes, rivers and deltas. Why and how it ended is the subject of scientific study that holds important

February 03, 2015

Galactic ‘hailstorm’ in the early Universe

Astronomers have been able to peer back to the young Universe to determine how quasars – powered by supermassive black holes with the mass of a billion suns – form and shape the evolution of galaxies. Two teams of astronomers led by researchers at the

January 31, 2015

M-TeX and MIST experiments launched into auroras

The interaction of solar winds and Earth’s atmosphere produces northern lights, but to scientists this interaction is more than a light display. It produces many questions about the role it plays in Earth’s meteorological processes and the impact on the plan

January 29, 2015

Missing link in metal physics explains Earth’s magnetic field

Earth’s magnetic field is crucial for our existence, as it shields the life on our planet’s surface from deadly cosmic rays. It is generated by turbulent motions of liquid iron in Earth’s core. Iron is a metal, which means it can easily conduct a flow

January 29, 2015

Historical hydraulic fracturing trends and data unveiled in new USGS publications

Two new U.S. Geological Survey publications that highlight historical hydraulic fracturing trends and data from 1947 to 2010 are now available.Hydraulic fracturing is presently the primary stimulation technique for oil and gas production in unconventional resource reser

January 29, 2015

Long series of droughts doomed Mexican city 1000 years ago

Archaeologists continue to debate the reasons for the collapse of many Central American cities and states, from Teotihuacan in Mexico to the Yucatan Maya, and climate change is considered one of the major causes.A University of California, Berkeley, study sheds new ligh

January 28, 2015

The winners and losers of ocean acidification

The population balance of some marine ‘pests’ could be drastically changed as the world’s oceans become increasingly acidic.Populations of certain types of marine organisms known collectively as the ‘biofouling community’ – tiny

January 28, 2015

New climate change projections for Australia

CSIRO and the Bureau of Meteorology released climate change projections for Australia that provide updated national and regional information on how the climate may change to the end of the 21st century.The projections are the most comprehensive ever released for Austral

January 28, 2015

Swarm of scientific microprobes to the clouds of Jupiter in 2030

A swarm of tiny probes each equipped with a different sensor could be fired into the clouds of Jupiter and grab data as they fall before burning up in the gas giant planet's atmosphere, according to a recently presented concept in International Journal of Space Scie

January 26, 2015

A 3D view of the age and structure of the Greenland Ice Sheet

Scientists using ice-penetrating radar data collected by NASA’s Operation IceBridge and earlier airborne campaigns have built the first-ever comprehensive map of layers deep inside the Greenland Ice Sheet. This new map allows scientists to determine the age of lar

January 23, 2015

Patterns that led to collapse of wildlife populations on land now occurring in oceans

University of Santa Barbara researchers reviewed the past, present and future of marine animal life in a new study titled „Marine defaunation: Animal loss in the global ocean". Consortium of scientists, found that the same patterns that led to the collapse o

January 22, 2015

South Pole Ice Core project - digging 40 000 years into climate history of South Pole

South Pole Ice Core (SPICE) project is a joint effort by researchers from the University of Washington and the University of California, Irvine to 'dig' 40 000 years into climate history at the planet's southernmost tip. The ice core will be drilled to a dep

January 22, 2015

Fast radio burst from a distant source captured in real-time

A short, sharp flash of radio waves from a mysterious source up to 5.5 billion light years from Earth has been detected in real-time by CSIRO’s Parkes radio telescope in eastern Australia. Swinburne University of Technology PhD student, Emily Petroff,

January 19, 2015

Can organic crops compete with industrial agriculture?

A systematic overview of more than 100 studies comparing organic and conventional farming finds that the crop yields of organic agriculture are higher than previously thought. The study, conducted by UC Berkeley researchers, also found that certain practices could furth

January 16, 2015

A call for changes in 50 year-old drinking water standards

Changes in drinking water quality in the 21st Century are coming from a myriad of circumstances, and not all are for the best. Top contenders for why water-drinking quality might become suspect to the average consumer include California's drought conditions, the tec

January 14, 2015

8 000 scientific papers link refined white sugar to chronic disease

One of the worst things you can do to your body is feed it sugar - not necessarily natural sugar like the kind found in fruit, but refined sugar. A team of scientists from the University of California in San Francisco (UCSF) recently pored through more than 8 000 scient

January 14, 2015

Rise in mass die-offs seen among birds, fish and marine invertebrates

An analysis of 727 mass die-offs of nearly 2,500 animal species from the past 70 years has found that such events are increasing among birds, fish and marine invertebrates. At the same time, the number of individuals killed appears to be decreasing for reptiles and amph

January 14, 2015

New, tighter timeline confirms ancient volcanism aligned with dinosaurs' extinction

A definitive geological timeline shows that a series of massive volcanic explosions 66 million years ago spewed enormous amounts of climate-altering gases into the atmosphere immediately before and during the extinction event that claimed Earth's non-avian dinosaurs

January 10, 2015

Mercury from gold mines accumulates hundreds of miles downstream

Duke University researchers have found hazardous levels of mercury hundreds of miles downstream from Peruvian gold mines.Researchers have determined that the health risks taken on by artisanal, small-scale gold miners extend far beyond the miners themselves.Based on a s

January 10, 2015

Birds can sense extreme weather events and storms more than 24 hours in advance

An experiment on bird migration patterns has inadvertently revealed that some bird species possess a unique ability to detect inclement weather hours or even days before it hits. Researchers from the Universities of Tennessee and Minnesota found that the golden-winged

January 08, 2015

Electromagnetic waves linked to particle fallout in Earth's atmosphere, new study finds

In a new study that sheds light on space weather's impact on Earth, Dartmouth researchers and their colleagues show for the first time that plasma waves buffeting the planet's radiation belts are responsible for scattering charged particles into the atmosphere.T

January 05, 2015

Resveratrol activates ancient stress response

Scientists at The Scripps Research Institute (TSRI) have found that resveratrol, the red-wine ingredient once touted as an elixir of youth, powerfully activates an evolutionarily ancient stress response in human cells. The finding should dispel much of the mystery and c

January 02, 2015

​Top weather conditions that amplify Lake Erie algal blooms revealed

Of the many weather-related factors that contribute to harmful algal blooms (HABs) in Lake Erie, a new study has identified one as most important: the wind.Over a 10-year period in Lake Erie, wind speed contributed more consistently to HABs than sunshine or even precipi

December 30, 2014

Study hints that ancient Earth made its own water

A new study is helping to answer a longstanding question that has recently moved to the forefront of earth science: Did our planet make its own water through geologic processes, or did water come to us via icy comets from the far reaches of the solar system?The answer i

December 29, 2014

The next Napa earthquake could be much bigger, scientists find

The magnitude 6 earthquake that shook the Napa Valley in August 2014 was the strongest the region had felt in more than 20 years. But the next earthquake in the area could be much stronger, according to preliminary research from the University of California, Davis, pres

December 19, 2014