Dating with short-lived extinct radionuclides

Dating with short-lived extinct radionuclides

Absolute radiometric dating requires a measurable fraction of parent nucleus to remain in the sample rock. For rocks dating back to the beginning of the solar system this requires extremely long…
Dating with short-lived extinct radionuclides

Dating with short-lived extinct radionuclides

Absolute radiometric dating requires a measurable fraction of parent nucleus to remain in the sample rock. For rocks dating back to the beginning of the solar system this requires extremely long…
Four Raindrops

Four Raindrops

Four individual raindrops hitting their highest peaks could easily end up thousands of miles apart, one flowing north to the Beaufort Sea, another reaching the the Gulf of Mexico, a third…
How Enceladus Got Its Stripes

How Enceladus Got Its Stripes

A new study says both the tiger stripes and a subsurface ocean on Saturn's moon Enceladus are the result of the moon's unusual chemical composition and not a hot core, as previously believed.…
Upthrusting Plates: Creating Washington

Upthrusting Plates: Creating Washington

Two hundred million years ago, Washington was two large islands, bits of continent on the move westward, eventually bumping up against the North American continent and calling it home. Even with…