Ask a Scientist

You sent us your questions, and NSF-funded scientists are answering! Check out this series of brief videos for answers to science and engineering questions you might be wondering about.

What is a black hole?

What is a black hole? Hans Krimm, an observational astronomer at the National Science Foundation, answers the question on this edition of "Ask a Scientist."

What is neuroethics?

What is neuroethics? Tim Brown, doctoral candidate and research assistant at University of Washington's Center for Neurotechnology, answers the question on this edition of "Ask a Scientist."

Why does group categorization matter?

Why does group categorization matter? Kristina Olson, associate professor of psychology at University of Washington and 2018 Alan T. Waterman Award recipient, answers the question on this edition of "Ask a Scientist."

What will food production look like in the future?

Adam Wolf, founder and CEO of Arable Labs, describes the future of food production. Arable Labs, a National Science Foundation-funded small business, has developed a crop and weather sensor that delivers real-time, precision weather information straight to the hands of farmers in the field

How does an LED light work?

Shuji Nakamura, an electrical engineer at the University of California, Santa Barbara, who won The Nobel Prize in Physics in 2014, gave a 2018 Engineering Directorate Distinguished Lecture at the National Science Foundation

What is convergence?

Through its Growing Convergent Research at NSF, one of the foundation's "10 Big Idea for Future NSF investments," the foundation seeks to highlight the value of convergence, the deep integration of multiple disciplines in order to advance scientific discovery and innovation

Why does diversity in schools matter?

Sandra Graham, University of California Presidential Chair in Education and Diversity and Distinguished Professor of Education at University of California-Los Angeles, answers your question on this episode of Ask a Scientist.

How does diversity benefit students?

Sandra Graham, University of California Presidential Chair in Education and Diversity and Distinguished Professor of Education at University of California-Los Angeles, answers your question on this episode of Ask a Scientist.