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Here's How a 13-Foot Wide Egg Mass Fits Inside a 5-Foot Squid

On July 9th of this year, divers off the coast of Turkey ran across an enormous lump of gelatinous goo which turned out to be one of the largest squid egg masses ever found. That inspired science writer and squid expert Danna Staaf to make this video explaining how all that goo fit inside a much smaller mother squid. » 7/31/15 11:30am 26 minutes ago

Australia's Most Infamous Invasive Species Has a Problem with Breeding

Cane toads were first released in Australia in 1935 as part of a government program to control the insects attacking the Queensland cane crop. It didn’t work. Ever since, the toads have been spreading across the country, as fast as they can breed. Which would be even faster, if it weren’t for an odd quirk in their… » 7/14/15 7:15pm 7/14/15 7:15pm

What Should Parents Do With Their Spare IVF Embryos?

When in vitro fertilization was developed in the 1970s, critics of the technique imagined a world a la Aldous Huxley, filled with assembly-line designer babies. It didn’t turn out like that. Instead, the procedure simply gave infertile couples another route to start a family. But it also created a problem that critics » 6/24/15 11:30am 6/24/15 11:30am

A Brief History Of Vaginal Cutting During Childbirth

During childbirth, the vagina has to stretch to accommodate a head the size of a grapefruit. This, you may imagine, takes time. So if something goes wrong during labor and delivery has to happen fast, doctors or midwives might speed things along by artificially widening the vaginal opening. With scissors. » 6/12/15 3:03pm 6/12/15 3:03pm

Freezing Your Eggs is Much Harder Than You Realize

We know how to successfully freeze, store, and thaw human sperm. We’re still on a learning curve with human eggs. Abby Rabinowitz’s recent feature at Nautilus explores the all-too limited statistics about how well the process works and the data on why more healthy women are choosing to try it anyway. » 5/13/15 3:40pm 5/13/15 3:40pm

One Weird Trick Female Animals Use to Control Who Gets Them Pregnant

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Much like the United States Congress, the history of science is overwhelmingly white and male, and unsurprisingly, this has led to a pretty significant lag time in scientific understanding of things that relate to women. When it comes to animal sexual selection, we know a lot about how and why males compete for female… » 2/19/15 4:49pm 2/19/15 4:49pm

This African fish can start having babies at 17 days old

The catchily named Nothobranchius kadleci is the fastest-maturing vertebrate species known to science. In just over two weeks, this fish can reach sexual maturity and start laying eggs — and those eggs only need another 15 days before they are ready to hatch. So why does this species need to cram an entire generation… » 9/08/13 11:00am 9/08/13 11:00am