Image by: MIT
Also in the NOVA Minute series
NOVA Minute: How to Speak Walrus
Marine biologist Colleen Reichmuth works with walruses. She says that, like dolphins, they can communicate using an amazing variety of sounds.
NOVA Minute: Triggering Earthquakes
Geologist Chris Goldfinger explains how one earthquake can trigger others in a giant chain reaction.
NOVA Minute: The Star Trek Test
Planetary scientist Alan Stern thinks that when astronomers decide what is or isn't a planet, the criteria should be simple.
NOVA Minute: The Legacy of Hubble
Astronomer and astronaut John Grunsfeld explains why the Hubble Space Telescope will have a lasting legacy.
NOVA Minute: A Freaked-Out Physicist
Astrophysicist Neil deGrasse Tyson says that when scientist Ernest Rutherford discovered that atoms were made mostly of empty space, he was afraid to get out of bed for fear ...
NOVA Minute: The Art of Archaeology
Archaeologist Mark Lehner says that his field is really about the art of observation.
NOVA Minute: Studying Mt. St. Helens
Ecologist Charlie Crisafulli explains how being at Mt. St. Helens when it erupted completely changed the course of his career.
NOVA Minute: Social Robots
Roboticist Cynthia Brazeal makes robots that interact socially with humans—taking cues from people's voices, facial expressions, and body language. She says that one day, we ...
NOVA Minute: Loneliness in Space
NASA psychologist Al Holland describes the mental challenges astronauts might face during a 3-year mission to Mars.
Intro and OutroINTRO:
Next up, from the producers of PBS' NOVA: ancient extinctions.OUTRO:
You can watch NOVA Wednesday nights at 9 on PBS.