Extras

    Video thumbnail: NOVA scienceNOW Personal DNA Testing

    NOVA scienceNOW

    Personal DNA Testing

    Genetic testing for risk of future illness is now open to anyone. But is it a good idea?

    Personal DNA Testing

    Video thumbnail: NOVA scienceNOW Hippocampus Humor

    NOVA scienceNOW

    Hippocampus Humor

    What did Professor Hippocampus say at his retirement party?

    Hippocampus Humor

    Video thumbnail: NOVA scienceNOW David Pogue's Brain Scan

    NOVA scienceNOW

    David Pogue's Brain Scan

    An anthropologist discovers something completely unexpected in David Pogue's brain scan.

    David Pogue's Brain Scan

    Video thumbnail: NOVA scienceNOW Five Reasons to Eat Insects

    NOVA scienceNOW

    Five Reasons to Eat Insects

    Save room for bugs! They're the future of green cuisine.

    Five Reasons to Eat Insects

    Video thumbnail: NOVA scienceNOW Video Short: Magic and Autism

    NOVA scienceNOW

    Video Short: Magic and Autism

    A magician's sleight of hand may not fool people with autism.

    Video Short: Magic and Autism

    Video thumbnail: NOVA scienceNOW Video Short: Cosmic Ray Danger

    NOVA scienceNOW

    Video Short: Cosmic Ray Danger

    Berries may alleviate cellular damage caused by cosmic radiation.

    Video Short: Cosmic Ray Danger

    Video thumbnail: NOVA scienceNOW Video Short: A Memorable Snail

    NOVA scienceNOW

    Video Short: A Memorable Snail

    What can a spineless sea snail teach us about our brains and how memory works?

    Video Short: A Memorable Snail

    Video thumbnail: NOVA scienceNOW Video Short: Aiding Aging Muscles

    NOVA scienceNOW

    Video Short: Aiding Aging Muscles

    See how "exercise in a pill" could one day help the elderly and the bedridden.

    Video Short: Aiding Aging Muscles

    Video thumbnail: NOVA scienceNOW Video Short: Going Lunar for Less

    NOVA scienceNOW

    Video Short: Going Lunar for Less

    With ingenuity and spare parts, LCROSS is exploring a big question on a small budget.

    Video Short: Going Lunar for Less

    Video thumbnail: NOVA scienceNOW Video Short: Blocking Bitter Taste

    NOVA scienceNOW

    Video Short: Blocking Bitter Taste

    Neil deGrasse Tyson meets a genetically modified mouse that can't sense bitter tastes.

    Video Short: Blocking Bitter Taste

    Video thumbnail: NOVA scienceNOW Video Short: Personal Genome Project

    NOVA scienceNOW

    Video Short: Personal Genome Project

    George Church hopes to recruit 100,000 people and sequence all of their DNA.

    Video Short: Personal Genome Project

    Video thumbnail: NOVA scienceNOW Video Short: Snail Slime

    NOVA scienceNOW

    Video Short: Snail Slime

    Crossing the world's most famous slowpoke with some of MIT's latest high-tech robotics

    Video Short: Snail Slime

    Video thumbnail: NOVA scienceNOW Video Short: An Elevator to Space?

    NOVA scienceNOW

    Video Short: An Elevator to Space?

    In this video extra, see a prototype of a technology that may one day take us to space.

    Video Short: An Elevator to Space?

    Video thumbnail: NOVA scienceNOW Video Short: Hunting Meteorites

    NOVA scienceNOW

    Video Short: Hunting Meteorites

    Join Neil deGrasse Tyson on a trip to the Mojave Desert with meteorite hunter Rob Matson.

    Video Short: Hunting Meteorites

    Video thumbnail: NOVA scienceNOW Video Short: Found It!

    NOVA scienceNOW

    Video Short: Found It!

    Michael Brown knew instantly the object he discovered in 2005 was a planet.

    Video Short: Found It!

    Video thumbnail: NOVA scienceNOW Fastest Glacier

    NOVA scienceNOW

    Fastest Glacier

    A glacier moving too fast reveals how unpredictable the effects of global warming can be.

    Fastest Glacier