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Air temperature is external trigger for heart attack
Heart attacks occur more frequently in winter.
Credit: © ibreakstock / Fotolia
A 16 year study in more than 280,000 patients has suggested that air temperature...
Supersonic gas streams left over from the Big Bang drive massive black hole formation
These are projected density distributions of dark matter (background and top panel) and gas (bottom three panels) components when the massive star forms. The...
Mars study yields clues to possible cradle of life
The Eridania basin of southern Mars is believed to have held a sea about 3.7 billion years ago, with seafloor deposits likely resulting from...
Is it your second cousin? Cotton swabs may tell you
A new DNA testing technique can accurately confirm relatedness between two individuals as distant as second cousins. With more DNA datasets at hand, the...
Successful field experiments with autonomos drones
Drone in study.
Credit: Image courtesy of Luleå University of Technology
Wind turbines are getting bigger and bigger. The larger the wind turbines are, the more...
Super-Earths have long-lasting oceans
This artist's depiction shows a gas giant planet rising over the horizon of an alien waterworld. New research shows that oceans on super-Earths, once...
A new way to produce clean hydrogen fuel from water using sunlight
Transmittance electron microscopic image of the composite photocatalyst with two components, black phosphorus (BP) and graphitic carbon nitride (g-C3N4).
Credit: Osaka University
Hydrogen is the most...
New measurements show widespread forest loss has reversed the role of tropics as a...
Tropical rain forest.
Credit: © Oleksandr Dibrova / Fotolia
A new, cutting-edge approach to measuring changes in aboveground forest carbon density has helped scientists determine that...
How yellow and blue make green in parrots
This photograph shows a collection of green, white, blue, and yellow budgies.
Credit: Thomas Cooke
When it comes to spectacular displays of color, birds are obvious...
Orange is the new green: How orange peels revived a Costa Rican forest
A thousand truckloads of orange peels were unloaded onto a barren pasture in a Costa Rican national park in the mid 1990s. Today, that...
Once declared extinct, Lord Howe Island stick insects really do live
This is an adult female Dryococelus australis on hand.
Credit: Rohan Cleave, Melbourne Zoo
Lord Howe Island stick insects were once numerous on the tiny crescent-shaped...
