Because of the way our brains work, we can remember songs and rhymes much more easily than just words or letters. The ABC song teaches kids the basics of the English language.
A shark’s nose is chemosensory only, and it doesn’t join up to the back of the throat like ours does.
Flickr/Leszek Leszczynski
Maëlle, 7, wants to know why some shells are smooth, while others are corrugated. It turns out that while corrugated shells are strong, smooth shells can move fast.
Almost every star has planets – so there are more planets in our galaxy than there are stars.
NASA Ames/JPL-Caltech/T. Pyle
Cats evolved in hot desert regions where there were lots of small animals to eat. So they evolved feet that are perfect for pouncing on prey, climbing, scratching and jumping from great heights.
The truth is we don’t really know if space goes on forever – but maybe, one day, we will find out.
Sweetie187/flickr
People used to think that when they looked up at the night sky, they were seeing all of space. Then American astronomer Edwin Hubble found out something so amazing, NASA named a telescope after him.