Roundup: nightmare animals, laser dancing and wildlife photography

List-based comedy site Cracked count down “13 Real Animals Lifted Directly Out of Your Nightmares“, among them the Deep Sea Holothurian:

This charming video explains how lasers work and use dancing people as illustration:

New Scientist has a set of wildlife photos from the Thrive! exhibition at London’s Saatchi Gallery. Here’s a Peacock Mantis Shrimp: