Posted in August 2011

Around the interwebs: Weekly link roundup!

Around the interwebs: Weekly link roundup!

Another week, another batch of links and sciency tidbits! Tomorrow I’m leaving for vacation, so I might not be able to update much (and I’ve been pretty busy this week), so there is plenty to keep you busy here: Making sperm in the lab, little squids that make big sperm, killing sperm to stop malaria, the costs … Continue reading

Evolution, sex, and spiky penises

Evolution, sex, and spiky penises

Male seed beetles (Callosobruchus maculatus) have long spikes covering their penises (or adeagus, if you want to be scientific about it). These spikes are thought to have evolved in response to female promiscuity, as a way of increasing the male’s chances of fertilizing a female’s eggs. Females, in response to the spikes, have evolved every man’s worst … Continue reading