For the first time ever, scientists have produced live mice without a fertilized egg cell. The potentially revolutionary technique could one day allow gay men to produce biological offspring, or—even more radically—allow both men and women to self-fertilize.
Northeastern University biologist Jonathan Tilly is certain he’s found egg-making stem cells in adult mice. If he’s right, it would refute decades-old work that showed female mammals finish making all their eggs before or shortly after birth. This might make it possible to grow new eggs inside the ovaries of older…
The common guillemot is a bird with decidedly uncommon eggs. They're shaped in such a way that when they roll, they do so not in a long, wide arc but a tight, uniform circle. But why would an egg do such a thing?
This visualization reminds me of one of those chicken embryo development illustrations in biology school books. Except five hundred and thirty-five thousand two hundred and forty-four times cooler. Give or take.
What kind of sorcery is this? How is this egg standing whole without its shell? Apparently, the inner membrane—the thin layer that you can see stuck to the hard shell when you boil an egg—is strong enough to hold it without breaking its shape. But how can you do this?
It's really embarrassing how many sleepless nights I've had due to my brain synapsing and wondering whether the chicken or the egg came first. I flip, I flop, I twist, I turn—it's definitely a good brain exercise. But after watching ASAP Science definitively answer the question of which came first—the chicken or the…
Weighing in at just under half a pound, this may very well be one of the biggest chicken eggs ever laid — but wait til you see what's inside of it. That's all we're going to tell you. Seriously. Just watch. We don't want to ruin the surprise.
That's just a fact. Case in point: this wonderful slice of eggy diversion, brought to you courtesy of the folks at PopSpot. No scrambling, no cooking, just 114 seconds of pure yolky, albumin-y egg ruination.
Superheroes like Batman, Superman, and Spider-Man all have enemies that are immediately familiar to those unversed in comic book minutiae. But Wonder Woman? Sure, she has recurring antagonists like Circe, Cheetah, and Ares, but nobody on par with, say, Lex Luthor or Venom. Here are nine nemeses that would transform a …
Sure, an impact event is what started wiping out the dinosaurs 65 million years ago. But why did some species manage to survive while most of the dinosaurs perished? A fascinating new theory suggests it's all about laying eggs.
Cuckoo finches are bad news to other birds. They are brood parasites, meaning they lay eggs in other species's nests to trick their victims into raising the finches' children as their own. This kicked off a supercharged evolutionary arms race.
If seed beetles aren't careful, wasps will invade their eggs and have their own young kill the beetle larvae for nutrients. But these beetles aren't taking the threat lying down - they've developed an ingenious strategy to fight back.
Sharks weren't always the huge, vicious alpha predators that they are today. Hundreds of millions of years ago, they were just another tiny little harmless fish species hanging out in lakes and rivers. So yeah...things have changed slightly since then.
The technology is now in place for three different parents to contribute DNA to an embryo - two of them providing the 98% of DNA in the cell nucleus, while another provides the crucial 2% that is mitochondrial DNA.
If faced with the decision of having a colorful egg you can peel and eat, or a colorful egg that glows in the dark, which would you choose? I'll go with the LED Easter eggs every time.
Cuckoos don't bother building their own nests - they just lay eggs that perfectly mimic those of other birds and take over their nests. But other birds are wising up, evolving some seriously impressive tricks to spot the cuckoo eggs.
Don't adjust your monitors, people. What you're looking at is a real, honest to goodness Grade A spherical egg. What does it taste like? What was the aspect ratio of the chicken that produced it? What does it mean?