What do criminal justice risk assessments actually assess?

Exposure to the criminal justice system increases some of the risk factors used to predict recidivism and re-arrest, according to new research out of Columbia University Mailman School of Public Health. For every arrest or ...

What's killing sea otters? Scientists pinpoint parasite strain

Many wild southern sea otters in California are infected with the parasite Toxoplasma gondii, yet the infection is fatal for only a fraction of sea otters, which has long puzzled the scientific community. A study from the ...

How red-eared invaders are hurting California's native turtles

In the summer of 2011, visitors to the University of California, Davis, Arboretum may have witnessed an unusual site: small teams of students wielding large nets, leaping into the arboretum's waterway to snag basking turtles.

New images from asteroid probe offer clues on planet formation

Photographs snapped by a shoebox-sized probe that explored the near-Earth asteroid Ryugu have offered new clues about its composition, insights that will help scientists understand the formation of our solar system.

Amazon fires stir bitter dispute over who is to blame

As fires raged in the Amazon rainforest, the Brazilian government on Thursday denounced international critics who say President Jair Bolsonaro is not doing enough to curb massive deforestation.

NASA's aqua satellite finds a weaker Chantal, now a depression

Over the last day, winds outside of Tropical Storm Chantal have been weakening the storm in the North Atlantic Ocean. When NASA's Aqua satellite passed over the storm from its orbit in space on August 22, the storm had weakened ...

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