Joshua trees! Photo by jby.

• This week at Nothing in Biology Makes Sense! Sarah Hird does not believe that, in science, womens’ underconfidence is their weakness.
• Brilliant. Want to survey a bunch of elusive mammals? Just sample the insects that have already collected DNA samples for you.
• With a headline about tentacle sex, natch. The latest study on Joshua trees and their pollinators, discussed at Pharyngula.
• Depends. Do 70-hour weeks sound “stressful?” Is being a professor the least stressful job?

◼