NOVA
How Earth’s Climate Changed Over the Past 500 Million Years
Show title: NOVA
Video title: How Earth’s Climate Changed Over the Past 500 Million Years
Video duration: 3m 25sVideo description: Over its history, Earth has fluctuated between two climate states: Icehouses, with ice caps at at least one of the poles, and Hothouses, when there is no ice at the poles.
Using Artificial Intelligence to Diagnose Melanoma
Dr. Roberto Novoa of Stanford Medical School used a database of nearly 130,000 images from the internet to train a deep learning algorithm to identify skin cancers as accurately as his fellow dermatologists.
Ethics and Self-Driving Cars
How do we program moral decision-making into autonomous vehicles?
Black Hole Information Paradox
Do black holes delete information forever? Or could information somehow escape them?
Choose Your Own Adventure into a Black Hole
The Next Quest for New Worlds
There are worlds beyond our own. A new explorer just left Earth to hunt for them.
Profile: Rana el Kaliouby
Rana el Kaliouby is on a mission to humanize technology with artificial emotional intelligence.
Profile: Kevin Esvelt
Kevin Esvelt is on a mission to eradicate Lyme disease on Nantucket and Martha’s Vineyard.
How the Universe Will End
Dark energy is spreading the universe apart—what’s it mean for astronomy in the future?
Physics Is a Never-Ending Puzzle
Physics rarely yields finite answers, but that doesn’t deter scientists.
Profile: Priya Natarajan
Theoretical Astrophysicist Priya Natarajan has loved atlases and maps since she was a little girl.
How Scientists Discovered Dark Matter
What kind of clues led to the discovery of Dark Matter and its place in the universe?
Can We Make Life? Preview
"It's alive!" Since Dr. Frankenstein spoke those famous words, we've been alternately enthralled and terrified by the idea of creating life in the lab. Now, a revolution in genetic engineering and thrilling innovations in synthetic biology are bringing that dream—or nightmare, as the case may be—closer to reality. New tools allow researchers to use cells to create their own DNA.
How does CRISPR work?
CRISPR makes gene editing faster, cheaper, and easier than ever before. Here's how.
Bringing Back Woolly Mammoths
Can Gene Therapy Cure Cancer?
CAR-T Gene Therapy is a new treatment for some forms of Leukemia and Non-Hodgkin Lymphoma.