About six days after fertilization, an embryo implants itself onto the uterus with a sticky layer of proteins.
Have you ever wondered why some dogs have solid colored coats and some have spots? Find out why on this Moment of Science.
Were the eggs we buy in the supermarket once embryos?
We can clone sheep and other animals, right? So why not dinosaurs? Find out on this Moment of Science.
Did you know that there are other kinds of twins besides fraternal and identical?
Are you a twin? No, well are you sure? You could be a twin, but the twin is within, or a chimera.
It would probably make a pretty cheesy horror movie, but the thing is, it's true. In fact, that creature with the extra brain is you.
What are the odds of giving birth to a boy? Learn more on this Moment of Science.
Did you know that every year millions and millions of eggs are intentionally infected with flu viruses? Why is this? Find out on A Moment of Science.
How does an embryo attach to the uterus? Find out on today's Moment of Science.