Hot dog. Photo by stu_spivack.

• Two plus two may equal five, depending on what you’re counting. A series of thought experiments explain why in statistics, numbers need not add up.
• Because of course you were curious. The anatomy of alligator erections, explained.
• In other news, too much food is bad for you. Deborah Blum puts the recent study linking red meat consumption to risk of death in context.
• Teamwork! Pesticides aren’t the sole cause of honeybee colony collapse—but they interact dangerously with other stresses.
• But less likely to be journal editors. Hmm. Women are less likely to turn down requests for peer review.
• And how to cultivate better ones. Author Charles Duhigg tells Steve Silberman how to break bad habits
• Unnatural history. A new kind of museum showcases animals that have been modified by humans.
• My baloney has a first name/ It’s P-A-P-E-R. A new form of processed cellulose—the same plant fibers used to make paper—could replace saturated fat in foods like hot dogs.

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