This week: A chilling, never-before-seen video of bottom trawling, why bedbugs are (still) everywhere, inside the secret lab that could save your life, and the women divers with a genetic superpower.

PHOTOGRAPH BY EVANDRO INETTI/ZUMA PRESS/ALAMY

SILVERBACK FILMS AND OPEN PLANET STUDIOS

Bottom trawling is a particularly destructive method of fishing where a ship drags a heavy iron net across the seabed, blindly capturing anything in its path. See the never-before-seen footage of sea creatures struggling in these nets, featured in National Geographic’s new documentary Ocean with David Attenborough.

ONE LAST THING: What creatures make these rare ocean gemstones?

Today’s newsletter was edited and curated by Jennifer Baik and produced by Amanda Williams-Bryant. Let us know if you have suggestions and sign up here to get the Photo of the Week on Sundays.