NASA challenges K-12 students to design moon-digging robots

NASA seeks young engineers to help design a new robot concept for an excavation mission on the Moon. The Lunabotics Junior Contest is open to K-12 students in U.S. public and private schools, as well as home-schoolers.

Changing ocean currents are driving extreme winter weather

Throughout Earth's oceans runs a conveyor belt of water. Its churning is powered by differences in the water's temperature and saltiness, and weather patterns around the world are regulated by its activity.

First artificial scaffolds for studying plant cell growth

As a baby seedling emerges from the depths of the soil, it faces a challenge: gravity's downward push. To succeed, the plant must sense the force, then push upward with an even greater force. Visible growth is proof that ...

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