Soft Dino Shells

A clutch of soft-shelled snake eggs surrounded by dirt

Which came first? The chicken or the soft shelled egg?  This is Sandra Tsing Loh with the Loh Down on Science. For ages it was believed that dinosaur eggs were hard shelled – like chicken eggs! But is there a crack in that theory?  Mark Norell and colleagues from the

Continue reading

Colorful Eggspression

Which came first – the white egg or the brown egg? This is Sandra Tsing Loh with the Loh Down on Science. There’s a reason we wear white after Memorial Day! Dressing in lighter colors helps keep us cool. Bird eggs do the same thing. Light-colored shells keep the embryo

Continue reading

Early Education

Talk about a Head Start program! Can eggs learn BEFORE they hatch? This is Sandra Tsing Loh with the Loh Down on Science. American bullfrogs are like a virus. They can quickly spread and destroy a balanced ecosystem with their insatiable appetite. So why is it so hard to stop

Continue reading

Egg-ceeding Diversity

Medium, large, extra-large – when it comes to eggs, does size matter? This is Sandra Tsing Loh with the Loh Down on Science. Insect eggs come in all sizes and shapes. Fruit flies lay tiny, pointy eggs. Others, like the many-banded daggerwing butterfly, lay giant round ones — Well, relatively

Continue reading

Egg-stra Large Eggs

Baby dinosaur or…Jurassic omelette? This is Sandra Tsing Loh with the Loh Down on Science. Most birds incubate their eggs by sitting on them. But how did big, heavy dinosaurs warm their eggs without smashing them? This question captured the attention of Kohei Tanaka. He studies Oviraptorosaur fossils. Parent Oviraptorosaurs

Continue reading

Egg Unboiled

Can you UN-BOIL an egg? And why would you want to? This is Sandra Tsing Loh with the Loh Down on Science, saying: Biochemists at the University of California, Irvine, can. As to why—? One word: Proteins. Nowadays, proteins made in labs are used for everything from making cheese to

Continue reading

Egg Shape Mystery

How do you like your eggs – over easy? Sunny-side up? Pointy??! This is Sandra Tsing Loh with the Loh Down on Science. Some birds lay eggs shaped like teardrops. Others look like a ball. And there’s everything in between! Why so MANY different shapes? Enter Mary Caswell Stoddard, a

Continue reading