23/01/2020

Can a tiny invasive snail help save Latin American coffee?

While conducting fieldwork in Puerto Rico's central mountainous region in 2016, University of Michigan ecologists noticed tiny trails of bright orange snail excrement on the undersurface of coffee leaves afflicted with coffee ...

Pride and prejudice at high altitude

Recent tragedies on Everest have exposed growing resentment felt by some Sherpas towards foreign climbers and the foreign companies profiting from the mountain. One source of dispute has been Sherpa concern that some climbers ...

Wannier90 program becomes community code in major new release

Wannier functions were first introduced by Gregory Wannier in 1937 as an alternative way of describing the electronic ground state of periodic systems. They were linked to Bloch orbitals, the standard method of describing ...

Victorian efforts to export animals to new worlds failed, mostly

In 1890, a New York bird enthusiast released several dozen starlings in Central Park. No one knows for sure why Eugene Schieffelin set the birds aloft, but he may have been motivated by a sentimental desire to make the American ...

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