Courtship behaviours, frequent among modern insects, have left extremely rare fossil traces. In odonates, the male must persuade the female to mate in tandem and the female should be willing to engage her genitalia with the ...
Plants & Animals
Mar 20, 2017
0
503
The movements of the stars and the planets have almost no impact on life on Earth, but a few times per year, the alignment of celestial bodies has a visible effect. One of these geometric events—the spring equinox—is ...
Space Exploration
Mar 20, 2017
0
16
Liquid crystals are used in everything from tiny digital watches to huge television screens, from optical devices to biomedical detectors. Yet little is known of their precise molecular structure when portions of such crystals ...
Condensed Matter
Mar 20, 2017
0
16
Researchers have developed a mathematical formula based on the rhythmic movement of a sperm's head and tail, which significantly reduces the complexities of understanding and predicting how sperm make the difficult journey ...
General Physics
Mar 20, 2017
0
34
President Donald Trump's proposed budget unveiled Thursday signals a major change to government's approach to environmental health. His recommended 30 percent cut to the U.S. Environmental Protection Agency would mean the ...
Environment
Mar 20, 2017
19
59
For several years, a team of researchers at The University of Texas at Dallas has investigated various materials in search of those whose electrical properties might make them suitable for small, energy-efficient transistors ...
Nanophysics
Mar 20, 2017
0
13
Seafood is very healthy to eat – all things considered. Fish and shellfish are an important source of protein, vitamins and minerals, and they are low in saturated fat. But seafood's claim to fame is its omega-3 fatty acids, ...
Ecology
Mar 20, 2017
0
8
Maps help us locate landmarks and can even trace historical change.
Social Sciences
Mar 20, 2017
0
4
A new material that naturally adapts to changing environments was inspired by the strength, stability, and mechanical performance of the jaw of a marine worm. The protein material, which was designed and modeled by researchers ...
Nanomaterials
Mar 20, 2017
0
18
A new paper from an MIT-led team demonstrates that Alaska can offer a significant foothold for Asian flu viruses, enabling them to enter North America. The research also shows that the region serves as a fertile breeding ...
Ecology
Mar 20, 2017
2
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