Arrokoth close-up reveals how planetary building blocks were constructed

Arrokoth close-up reveals how planetary building blocks were constructed

William B. McKinnon, professor of earth and planetary sciences in Arts & Sciences at Washington University in St. Louis, led one of three new studies that together provide a far more complete picture of the composition and origin of Arrokoth. The new research published in Science points to the resolution of a longstanding scientific controversy about how such primitive planetary building blocks called planetesimals were formed.
‘Tale of Two Cities’ — Day of Dialogue & Action session to explore building a stronger St. Louis for all

‘Tale of Two Cities’ — Day of Dialogue & Action session to explore building a stronger St. Louis for all

Incomes in St. Louis are rising — for white residents. Development is booming — in the central corridor. And the population is rising — in select neighborhoods. “It really is a tale of two cities,” said Henry S. Webber, executive vice chancellor. At the Day of Dialogue & Action on Wednesday, Feb. 19, Webber and Chancellor Andrew D. Martin will ask participants for their ideas about ways to improve the region.
Predicting chaos using aerosols and AI

Predicting chaos using aerosols and AI

Using aerosols as ground truth, researchers at the McKelvey School of Engineering at Washington University in St. Louis have developed a deep learning method that accurately simulates chaotic trajectories — from the spread of poisonous gas to the path of foraging animals.
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