Each fall, millions of monarch butterflies make a spectacular journey from the eastern parts of North America to reach their overwintering grounds in Mexico. Researchers have long known that not all butterflies successfully ...
Plants & Animals
Jun 4, 2014
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A new study of the colorful "eyespots" on the wings of some butterfly species is helping to address fundamental questions about evolution that are conceptually similar to the quandary Aristotle wrestled with about 330 B.C. ...
Plants & Animals
May 28, 2014
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Bats appear to use a network of hair-thin muscles in their wing skin to control the stiffness and shape of their wings as they fly, according to a new study. The finding provides new insight about the aerodynamic fine-tuning ...
Plants & Animals
May 23, 2014
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A top priority for any airline is to conserve as much fuel as possible – and this helps to protect the environment. The EU project SARISTU aims to reduce kerosene consumption by six percent, and integrating flexible landing ...
Engineering
May 20, 2014
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(Phys.org) —As a graduate student, Heather Hines followed bumblebees all over the world. She was part of a successful effort to track the history of bumblebee evolution, painstakingly constructing from genetic and geographic ...
Plants & Animals
May 15, 2014
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The large moons orbiting the gas giants in our solar system have been getting increasing attention in recent years. Titan, Saturn's largest moon, is the only natural satellite known to house a thick atmosphere. It's surface, ...
Space Exploration
Apr 16, 2014
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Following its launch yesterday, Sentinel-1A has performed a carefully choreographed 10-hour dance routine to open its large radar antenna and solar wings.
Space Exploration
Apr 4, 2014
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A single gene regulates the complex wing patterns, colors and structures required for mimicry in swallowtail butterflies, report scientists from the University of Chicago, March 5 in Nature. Surprisingly, the gene described, ...
Plants & Animals
Mar 5, 2014
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When Sentinel-1 is placed in orbit around Earth in a few weeks, it has to perform a complicated dance routine to unfold its large solar wings and radar antenna. Engineers have recently been making sure the moves are well ...
Space Exploration
Feb 24, 2014
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Mark Puttick and colleagues investigated the rates of evolution of the two key characteristics that preceded flight: body size and forelimb length. In order to fly, hulking meat-eating dinosaurs had to shrink in size and ...
Archaeology
Feb 23, 2014
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