Do sperm really rush to the egg?

The idea of sperm racing to the egg is not entirely true. (Image credit: CHRISTOPH BURGSTEDT/SCIENCE PHOTO LIBRARY via Getty Images) Fertilization of an egg is often imagined as a spectacular swimming race: millions of sperm compete to reach the…

Whales: Facts About the Largest Animals on Earth

(Image credit: Marnie Griffiths via Getty Images) Jump to: Sourse: www.livescience.com Your email address will not be published. Required fields are marked * Name  * Email  * Add Comment * Save my name and email in this browser for the next…

How do fitness trackers measure heart rate?

(Image credit: Getty Images) Jump to: Heart rate monitoring is becoming increasingly popular among fitness enthusiasts, and for good reason. Whether it’s a rugged outdoor smartwatch or a discreet smart ring, smart wearable technology can help you understand whether you’re…