Antiques
Art
Books
Cameras, Photos
Cars, Boats, Motorcycles
Coins & Money
Collectibles
Entertainment Memorabilia
Everything Else
Fashion & Apparel
Jewelry & Watches
Music
Musical Instruments
Oddities
Pottery, Glass
Sporting Goods
Toys & Hobbies
Unknown Items
science
Browse Categories
science
Apr 06, 2019
Study compared spiral shape of songbird sperm cells of 36 bird species and found that species whose sperm had a particularly distinct spiral or corkscrew shape also had sperm with high average swimming speed. However, those species also tended to have high rates of abnormal or damaged sperm.
biodiversity
biology
developmental/reproductive biology
ecology/environment
evolution
zoology/veterinary science
Show the world who you are
We give you the most custom-tailored news feed on the web!
Get only the stories, pictures, gifs, & videos you care about.
At Show 1, you're in control! No spying, no tracking, no algorithmic manipulation, no BS!
×
