04/07/2018

Renewable energy push in sunny Arizona draws political fight

Arizona's largest utility is fiercely opposing a push to mandate increased use of renewable energy in the sun-drenched state, setting up a political fight over a measure funded by a California billionaire.

Scientists create embryos, hope to save near-extinct rhino

Months after the death of Sudan, the world's last male northern white rhino, scientists said Wednesday they have grown embryos containing DNA of his kind, hoping to save the subspecies from extinction.

Combining antibiotics changes their effectiveness

The effectiveness of antibiotics can be altered by combining them with each other, non-antibiotic drugs or even with food additives. Depending on the bacterial species, some combinations stop antibiotics from working to their ...

page 2 from 9