Unearthed: World’s Oldest Animal Sperm—And It’s Giant
Unearthed: World’s Oldest Animal Sperm—And It’s Giant
The sperm, belonging to a tiny marine crustacean, dates back nearly 100 million years, making it the most ancient animal sperm found to date.
Unearthed: World’s Oldest Animal Sperm—And It’s Giant
Unearthed: World’s Oldest Animal Sperm—And It’s Giant

The sperm, belonging to a tiny marine crustacean, dates back nearly 100 million years, making it the most ancient animal sperm found to date.

The sperm, belonging to a tiny marine crustacean, dates back nearly 100 million years, making it the most ancient animal sperm found to date.

tree resin
Image of the Day: 100-Million-Year-Old Flower
Image of the Day: 100-Million-Year-Old Flower
The Scientist Staff | Sep 21, 2017
Scientists think dinosaurs brushed these ancient flowers into pools of tree resin, creating fossils preserved in amber.