After Shark Week jumps the shark, David Shiffman did a wonderful Reddit AMA, Al Dove collates some five amazing actual facts about sharks. Also, Matt Bonnan on why it matters, and Perrin Ireland collates some of the links, as does Wired.

After Decades of Research, Henrietta Lacks’ Family Is Asked for Consent. Great piece by Carl Zimmer, and a huge victory for the Lacks family. Kudos to Rebecca Skloot for writing the story that led to this. And another good piece by Ewen Callaway and a Q&A with the NIH director Francis Collins

Don’t miss these mesmerising GIFs of our breathing Earth. Watch ice and vegetation wax and wane.

In a box marked “microminiatures”,