Strange Science

Some of our Strange Science stories this week include a new study on mice showing that regular exercise can help reduce the risk of Alzheimer’s disease, how experimental birth control attacks sperm like a virus and North America’s most common skunk.

• Exercise may stave off Alzheimer’s by regulating iron levels in the brain
• Experimental birth control attack on sperm like a virus
• Doubling the number of species of hand-standing spotted skunks
• Scientists built a tiny robot to mimic the mantis shrimp’s knock-out punch