51¶¯Âþ

Big bug zoo

If insects grew to large sizes because of higher oxygen levels in the past, could...

If insects grew to large sizes because of higher oxygen levels in the past, could we selectively breed insects in an oxygen-rich environment and create a Jurassic Park of insects?

Sam Scott, By email, no address supplied

We pay £25 for every answer published in 51¶¯Âþ. To answer this question – or ask a new one – visit newscientist.com/lastword. Terms and conditions apply.

Topics: Last Word