The Monitor_May 1_2013

Sand tiger sharks have been known for devouring each other in the womb. Scientists now believe that they can explain why.

Analyzing shark embryos found in dead sand tiger sharks at different stages of pregnancy, a team of researchers has found that, though female sharks commonly mate with multiple males, their offspring all tend to belong to the same father.

Read more my latest story “Scientists unravel mystery of cannibal shark embryos” in The Christian Science Monitor.