The malaria parasite Plasmodium falciparum has greater genetic diversity than previously understood—a finding that could endanger the effectiveness of planned vaccines, according to new research published Tuesday in the Proceedings of the National Academy of Sciences.  

The Nobel Prize in Medicine went to 3 scientists today for their discoveries that boosted the fight against malaria and infections caused by roundworm parasites.

After the third bedbug infestation of her New York apartment, science reporter Brooke Borel was itching to write her new book, Infested: How the Bed Bug Infiltrated Our Bedrooms and Took Over the World. “It’s terrible, the lengths people will go to because they’re…