The Inventory

Why You Might Want to Freeze Your Sperm Before Age 35

Semen Frozen 50 Years Ago Just Produced Dozens of Healthy Lambs

Best Of The Week

Best Of The Week

Facebook Got Mad at Us, Samsung Note 9, and Ajit Pai: Best Gizmodo Stories of the Week

Want to Keep Your Sperm Healthy? Stick to Boxers, Says Harvard Study

This Star Wars-Inspired Simulation of Human Reproduction Is Awesome

10/19/17 11:15AM

Sperm Counts Have Plummeted Among Western Men, Scientists Confirm

These Female Crabs Store a Shitload of Sperm [Updated With Pictures]

Ryan F. Mandelbaum

'Molecular Condoms' Could Be the Best Form of Birth Control Yet

5/16/17 11:54PM

Scientists Found a Good Use for Surplus Sperm

Ryan F. Mandelbaum

At-Home Fertility Test Turns Your Smartphone Into World's Squirmiest Sea-Monkey Tank

Males Born Through Popular Reproductive Technique Have Low Sperm Counts

10/06/16 2:20PM

Scientists Have Bred Live Mice with No Need for Fertilized Eggs

9/13/16 11:00AM

Freezing Your Sperm For the Olympics Is a Silly Thing to Do

Why Do Tiny Fruit Flies Have Giant Sperm?

This On-Off Switch for Sperm Could Lead to Better Male Birth Control

Esther Inglis-Arkell

Scientists Have Created Functional Sperm From Stem Cells

2/25/16 12:00PM

Scientists Can Now Make Fake Sperm Swim

Esther Inglis-Arkell

12/17/15 5:20PM

This Is Why a Mouse's Sperm Is Longer Than an Elephant's Sperm

Esther Inglis-Arkell

11/18/15 7:15PM

In Tight Spaces, Sperm Slither Rather Than Shimmy

11/17/15 10:40AM

The Last-Ditch Fertilization Method For Infertile Men Just Got More Reliable

11/06/15 8:40AM

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