About six days after fertilization, an embryo implants itself onto the uterus with a sticky layer of proteins.
Time once again for the Moment of Science Word of the Day. Ready? Today's word is: Gametophyte.
Were the eggs we buy in the supermarket once embryos?
Are vegetables and nuts actually fruits? Find out what the botanists think.
How does an embryo attach to the uterus? Find out on today's Moment of Science.
If you think dating is tough, just be glad you aren’t a garden snail. When you live life at a snail’s pace, you’d better be able to mate with the next snail you meet without worrying if it’s male or female. That’s why garden snails are hermaphrodites and can take on both the male and female roles in reproduction.
This Moment of Science will answer a question that must have been gnawing at you since you first noticed that human males have nipples.