26/03/2018

New book on fungal diseases of urban trees

Trees can get sick too. In urban areas, this usually means that the infested tree has to be felled for safety reasons. Empa researcher Francis Schwarze is familiar with wood and fungal pathogens and has developed methods ...

Mushroom geography

Iowa has corn, Idaho has potatoes and, unbeknownst to many, Pennsylvania has mushrooms. Chester County, Pennsylvania, produces roughly 50 percent of all mushrooms grown in the United States. The top 50 growers in Chester ...

Earth's magnetosphere

Enveloping our planet and protecting us from the fury of the Sun is a giant bubble of magnetism called the magnetosphere. It deflects most of the solar material sweeping towards us from our star at 1 million miles per hour ...

Smartphone sensor can detect dirty water

Denmark, like many other European countries, is lucky. When we pour ourselves a refreshing glass of tap water, we generally don't need to worry about bacteria.

Caribou drone study finds 'enormous variation' within herd

Herd animals may not be as conformist as we thought, according to new research published in Philosophical Transactions of the Royal Society B. The first paper to use drones to record the movement of individual animals within ...

Metalens achieves near-unity numerical aperture

Researchers have designed an optical lens with the highest free-space numerical aperture to date, achieving a value of just under 1. As the numerical aperture indicates the highest possible resolution that a lens can attain, ...

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