Reply privately

Luk @lukenstine

Fun fact: sharks have been around for roughly 450 million years, which makes them older than trees (about 385 million years). What's something that surprised you when you found out how old it really was?

Write it now — you will be asked to make an account when you send, and your message comes with you. Already have one? Sign in.

This will not appear under the post. It opens a conversation only you and @lukenstine can read. Their post will show that its reply count went up by one — never that it was you.