Science news articles about 'giant sperm'

... we know that the seminal vesicles only obtain their typical shape when they are filled with giant sperm." Accordingly, the fossilized females must have mated shortly before their entombment in the ...

With giant sperm up to ten times its body length, the male seed shrimp is the beneficiary of an evolutionary adaptation tens of millions of years in the making, a new study says.

... sperm become rivals. Because greater size can increase the chance of fertilization, in some species truly giant sperm cells have evolved – some grow to be even larger than the male that produced them. ...