What’s hot in science and engineering? Check out NSF research news for the day of April 21, 2022

Thu, 21 Apr 2022
Collective motion in crowds is largely determined by individual fields of vision

Researchers create model of human ‘flocking’ behavior

U.S. National Science Foundation-grantee researchers at Brown University used virtual reality to develop a new model that predicts human movement and motion in a crowd. The team’s model successfully predicted individual trajectories in virtual crowd experiments and when using real-life crowd data. The findings were …

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Thu, 21 Apr 2022
Did Earth form inside a solar nebula? New research says likely yes

Clue from vast stores of helium from the Big Bang lingering in the core

Helium-3, a rare isotope of helium gas, is leaking out of Earth’s core, according to a new study. Because almost all helium-3 is from the Big Bang, the gas leak adds evidence that Earth formed inside a solar nebula, a question …

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