The Robinson Institute’s Dr Hannah Brown has scientifically engaged her way to the finals of I’m A Scientist Get Me Out of Here! Hannah has answered a huge range of questions which can be viewed on her profile and has beaten some other fantastic researchers in the competition to claim a spot in the finals. Well done Hannah – we have our fingers crossed for you!
Here is another example of Hannah’s great answers to questions asked during the I’m A Scientist competition – you can see all of Hannah’s questions on her profile.
Why is it that some animals can have more babies than others?
“It’s mostly because of a phenomenon called “ovulation rate” which is the number of eggs that the ovary expels at one time! In humans, it’s usually just one, although when you get older, the ovary starts to get excited and worried and sometimes it does two, or three, which is why twins and triplets are more common in older women.
In mice for example, they can ovulate (when the egg is released from the ovary) up to 20 at a time! So they can have many many more babies than a human. But their lifespan is much shorter, so they are in more of a hurry to get it done”.