Puerto Rico allocates $2M to fight citrus disease

Puerto Rico's governor declared a state of emergency Tuesday and ordered the release of $2 million to help agriculture officials fight a disease that has attacked citrus trees in the U.S. territory.

Nissan to have self-driving car on market in 2020

Motorists could go hands-free, leaving their cars' computer brains fully in charge, as early as 2020, when Nissan says it plans to have a self-driving vehicle ready for the market.

Fractions gain traction with concrete models

If 3 is greater than 2, then ⅓ must be bigger than ½—right? Wrong. As thousands of students head back to school, many will use exactly that kind of thinking when faced with fractions for the first time. New research ...

African dust clouds worry Caribbean scientists

Each summer, microscopic dust particles kicked up by African sandstorms blow thousands of miles (kilometers) across the Atlantic to arrive in the Caribbean, limiting airplane pilots' visibility to just a few miles and contributing ...

Fernand's remnants still drenching eastern Mexico

Tropical moisture continued to stream over eastern Mexico on Aug. 27, from the remnants of former Tropical Storm Fernand. NASA's TRMM satellite captured the moisture-laden Tropical Storm Fernand after it made landfall and ...

page 2 from 10