Register for an account

X

Enter your name and email address below.

Your email address is used to log in and will not be shared or sold. Read our privacy policy.

X

Website access code

Enter your access code into the form field below.

If you are a Zinio, Nook, Kindle, Apple, or Google Play subscriber, you can enter your website access code to gain subscriber access. Your website access code is located in the upper right corner of the Table of Contents page of your digital edition.

Health

How to Spot a Dud (Sperm)

sperm.jpg
(Credit: Kzenon/Shutterstock)

Newsletter

Sign up for our email newsletter for the latest science news

Sorting good sperm from bad may have just gotten easier. Scientists have come up with a new way to test the viability of human sperm by using a technique called magnetic resonance spectroscopy (MRS). Other testing methods either can’t provide much detailed information or damage the cells in the process. MRS, however, lets experts study the molecules inside cells while in action, to determine the properties of healthy swimmers. The technique could lead to better male infertility tests.

2 Free Articles Left

Want it all? Get unlimited access when you subscribe.

Subscribe

Already a subscriber? Register or Log In

Want unlimited access?

Subscribe today and save 70%

Subscribe

Already a subscriber? Register or Log In