Barnacles. Photo by jby.

• This week, at Nothing in Biology Makes Sense! Tracing the origins of the fungus among us.
• Yay! Charges against DIY chemist Kiera Wilmot have been dropped, and she’s going to space camp.
• Wow: “75 percent of all tornadoes on Earth occur in North America.” For the devastating tornadoes that hit Oklahoma this week, some meteorlogical context.
• Yum! Acacias ensure that no one steals the food rewards provided for mutualistic ants by making poisonous food rewards.
• Good enough is good enough. The magic of evolution revealed in the inefficiency of an adaptation to poisonous environments.
• It would make sense. Could immune response influence human reproductive function?
• Whoops. Sweetened poisons have selected for cockroaches that can’t stand glucose.

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