science
Bird songs isolate species, new research suggests
University of British Columbia researchers conducted playback experiments by hanging wireless speakers in the trees and broadcasting songs from related subspecies.
Credit: University of British...
Exotic quantum states made from light
The artist's rendering shows how potential wells are created for the light in the microresonator through heating with an external laser beam (green).
Credit: David...
A one-of-a-kind star found to change over decades
AR Scorpii consists of a rapidly spinning, magnetized white dwarf star that mysteriously interacts with its companion star.
Credit: M. Garlick/University of Warwick, ESA/Hubble
Astronomers studying...
Global growth in carbon dioxide emissions stagnates
In 2014, when the carbon emissions growth was almost at a standstill, the world's economy continued to grow by 3%.
Credit: © kristo74 / Fotolia
After...
Shifting school start times could contribute $83 billion to US economy...
High school students.
Credit: © AntonioDiaz / Fotolia
The RAND Corporation and RAND Europe have released the first-ever, state-by-state analysis (in 47 states) of the economic...
New gravity map suggests Mars has a porous crust
A new map of the thickness of Mars’ crust shows less variation between thicker regions (red) and thinner regions (blue), compared to earlier mapping....
Can eating tomatoes lower the risk of stroke?
Eating tomatoes and tomato-based foods is associated with a lower risk of stroke.
Credit: © msk.nina / Fotolia
Eating tomatoes and tomato-based foods is associated with...
Biodiversity just as powerful as climate change for healthy ecosystems
Marine ecologist Emmett Duffy of the Smithsonian Environmental Research Center works on a boat in Panama's Bocas Del Toro Research Station. Duffy directs the...
‘Euro Devil’: Fossil of carnivorous marsupial relative discovered in E Europe
Artist's impression of Anatoliadelphys maasae.
Credit: Peter Schouten
Scientists have discovered fossil remains of a new carnivorous mammal in Turkey, one of the biggest marsupial relatives...
Half-a-billion-year-old fossils shed light animal evolution on Earth
X-ray microtomography image of trace fossil in sediment.
Credit: Luke Parry - University of Bristol
Scientists have discovered traces of life more than half-a-billion years old...
Giant bacterium contains genomes for an entire population
Achromatium oxaliferum containing large calcite bodies, small sulfur droplets and green-fluorescing DNA spots.
Credit: Heribert Cypionka
Achromatium oxaliferum is the largest (known) freshwater bacterium in the...
