Monthly Archives: August 2011

I’m back! Here’s some links from the past week (or more?)…

I’m finally back and recovered from my journeys. Now that Irene is gone, along with my jet lag, let’s get back to talking about sex! This week: zebra finch ladies aren’t so shallow, the sticky egg gets the sperm, the dangers … Continue reading

Posted in Eggs and sperm, Human reproduction, Human sex, Sexual selection | Tagged , , , , | Leave a comment

Movements in mouse egg after fertilization predicts developmental success of embryos

In vitro fertilization (or IVF for short) can be pretty hit-or-miss. That’s why many embryos have to be implanted in a woman to successfully have one baby. Wouldn’t it be nice if there was a way to easily predict which embryos are going to … Continue reading

Posted in Eggs and sperm | Tagged , , | 1 Comment

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 … Continue reading

Posted in Eggs and sperm, Insect reproduction, Sex and society, Sexual selection | Tagged , , , , , , | Leave a comment

Around the interwebs: New weekly link roundup!

There are a lot of studies and news articles out there that I would love to blog about but, frankly, I just don’t have the time. Thankfully, usually someone else did have the time to write about it. So, I’ve … Continue reading

Posted in Eggs and sperm, Sex and society, Sexual behavior, Sperm competition | Tagged , , , , , , , | 1 Comment

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 … Continue reading

Posted in Evolution of sex, Sexual conflict | Tagged , , , | 2 Comments