Pest resistance to biotech crops surging

In 2016, farmers worldwide planted more than 240 million acres (98 million hectares) of genetically modified corn, cotton and soybeans that produce insect-killing proteins from the bacterium Bacillus thuringiensis, or Bt. ...

First photo of planet in making captured

There are 450 light-years between Earth and LkCa15, a young star with a transition disk around it, a cosmic whirling dervish, a birthplace for planets.

What's up with all the crane flies in Tucson?

They've descended in droves on the Tucson area, swarming the weeds in backyards, hovering around lighted windows at night and wafting inside as soon as a door opens. Some people think they're giant mosquitoes, some believe ...

Radiocarbon dating gets a postmodern makeover

For decades, radiocarbon dating has been a way for scientists to get a rough picture of when once-living stuff lived. The method has been revolutionary and remains one of the most commonly used dating methods to study the ...

New laser technology could divert lightning strikes

(Phys.org) —Optical scientists at the University of Arizona and the University of Central Florida have developed a technology capable of sending high-intensity laser beams through the atmosphere much farther than was possible ...

Why scooping an asteroid sample is harder than it looks

When NASA's OSIRIS-REx spacecraft descends toward the surface of Bennu on Oct. 20, it will be the first time that a U.S.-led mission attempts to pick up a sample of pristine material from an asteroid. Bennu is likely an extraterrestrial ...

How mantis shrimp make sense of the world

A study involving scientists at the University of Arizona and the University of Queensland provides new insight into how the small brains of mantis shrimp—fierce predators with keen vision that are among the fastest strikers ...

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