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Snot 101
3:58
Here's everything you didn't want to know about snot.
Should You Wash Your Hands?
4:40
What do we really mean when we say that we’re clean?
Will Robots Become Conscious?
6:13
What makes a brain or machine conscious? This theory is beginning to provide some answers.
How Much Does a Thought Weigh?
3:57
Even in your mind, energy goes with it—bottle up that energy and it has mass.
NOVA’s Big Ideas of 2017
3:08
Take a look back with us at the biggest science stories of 2017.
What is CRISPR gene editing?
1:24
Scientists have a new tool to edit genes in human cells to repair mutations. What is it?
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11:50
Mubin Shaikh went from young army cadet to self-radicalized Jihadist and back. Here’s what
Can Meditation Prevent Suicide?
3:06
A high school experienced several suicides so meditation was used to lower student stress.
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4:01
A program uses choreography to get kids from diverse communities excited about science.
The Hidden Fluorescent World
3:19
The proteins that make fish fluoresce could help scientists map the human brain.
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4:30
Real patients and families describe what it's like being in an Alzheimer's clinical trial.
Unboxing the Universe
4:20
What if everything in the universe came to your doorstep...in a box?!
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