Cosmo the Bull Calf Has Been Genetically Engineered to Produce 75% Male Offspring

Genetic engineering can produce some pretty scary results. Just recently, scientists at the University of California, Davis, developed a bull calf, named Cosmo, who is capable of producing 75% male (or at least male-looking) offspring.

Student Accidentally Invents Battery to Last for 400 Years

If necessity is the mother of invention, perhaps luck or experimentation is the father, as this remarkable student-made rechargeable battery discovery illustrates. Doctoral candidate Mya Le Thai at the University of California was playing around in the lab when she found a method to make batteries last for hundreds of years.