How Birds-To-Be Get Oxygen Inside Eggs

Your body needs oxygen to function — and that was true even before you were born. As you grew inside your mother's womb, even before you had working lungs, your cells were crying out for oxygen. And your mother kindly answered that call. Oxygen and nutrients from her blood made their way down your umbilical …

Geologists find clues that early humans island-hopped their way into the Americas

How and when did early humans first arrive in the Americas? The answer may lie along the Northern America’s Pacific Coast. Experts believe early humans travelled from Siberia to Alaska across a land bridge. But what happened next has been far more difficult to pinpoint. The conventional story suggests the earliest North American settlers then… via …

How Did Birds Lose Their Teeth And Get Their Beaks? Study Offers Clues

Modern birds are dinosaurs without toothy jaws, and with bigger brains. Newly published research fills in some of the missing links in their evolution.(Image credit: Michael Hanson and Bhart-Anjan S. Bhullar/Nature Publishing Group) via How Did Birds Lose Their Teeth And Get Their Beaks? Study Offers Clues — News : NPR

Paleontology and western bias

Paleontology, like much else in the cultural landscape, has a strong western influence and bias. Students are more likely than not to be given textbooks and external readings from Europe and North America no matter where they are in the world. I often think about my own experiences as a paleontology student in France now… via …

Dinosaurs Took Between 3 and 6 Months to Hatch

Non-avian dinosaurs took between three and six months to hatch from their eggs, according to a study that examined the teeth of fossilized dinosaur embryos. Scientists have long assumed dinosaur incubation was similar to the rapid incubation of birds, which hatch within 11 to 85 days. However, the study found that dinosaurs aligned more with… via …