biology

Questions and Answers

Can your nipples grow back if they are scraped off in an accident?

Questions and Answers

Our new little cat keeps us up at night playing with the litter box feces. How can we unlearn her this behavior?

Questions and Answers

What do giraffes and zebras have in common?

Questions and Answers

What happens in the nanosecond before the sperm cell and egg cell fuse?

Questions and Answers

If a hen’s egg is the hen’s “menstruation,” then what exactly is the ovum?

Questions and Answers

What is an unfertilized ostrich egg? Is it a cell, tissue, organ or organism?

Questions and Answers

What came first then? The dinosaur or the egg?

Questions and Answers

Which bone is this? Is it a human bone?