18/09/2017

When it comes to the threat of extinction, size matters

Animals in the Goldilocks zone—neither too big, nor too small, but just the right size—face a lower risk of extinction than do those on both ends of the scale, according to an extensive global analysis.

Blood testing via sound waves may replace some tissue biopsies

Cells secrete nanoscale packets called exosomes that carry important messages from one part of the body to another. Scientists from MIT and other institutions have now devised a way to intercept these messages, which could ...

Deep roots in plants driven by soil hydrology

Searching for water, some tree roots probe hundreds of feet deep and many trees send roots through cracks in rocks, according to a new study led by a Rutgers University-New Brunswick professor.

Scientists edit butterfly wing spots and stripes

An international research team working at the Smithsonian Tropical Research Institute in Panama knocked-out a single control gene in the DNA of seven different butterfly species. In the Sept. 18 Proceedings of the National ...

Lighter weights, lower costs in additive manufacturing

It's never long before the most advanced technology needs its own innovations. Additive manufacturing, the gold standard for innovative industry production, has reached that point. With its use steadily increasing, there ...

Study compares PhD programs in different countries

The PhD degree was established in Berlin 200 years ago and has spread across the world. Today there is a global tendency to follow the programs currently used either in the United States or in Continental Europe. A new study ...

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