20/02/2017

Drones are what's next for plant breeders

Crop breeders grow thousands of potential varieties at a time; until now, observations of key traits were made by hand. In a new study, unmanned aerial vehicles, or drones, were used successfully to remotely evaluate and ...

AP, other media ask judge to order release of iPhone records

The Associated Press and two other news organizations asked a judge Monday to force the federal government to reveal how much it paid for a tool to unlock an iPhone used by one of the San Bernardino, California, shooters.

Selenium deficiency promoted by climate change

Selenium is an essential micronutrient obtained from dietary sources such as cereals. The selenium content of foodstuffs largely depends on concentrations in the soil: previous studies have shown that low selenium concentrations ...

Mapping the family tree of stars

Astronomers are borrowing principles applied in biology and archaeology to build a family tree of the stars in the galaxy. By studying chemical signatures found in the stars, they are piecing together these evolutionary trees ...

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