• NOVA -- Signs of Life Found on Venus
    Signs of Life Found on Venus
    The gas phosphine, made on Earth by microbial life forms, was found in Venus' ...
    The gas phosphine, made on Earth by microbial life forms, was found in Venus' atmosphere.
    0:06:04
  • NOVA -- Brainless Slime Molds Navigate Mazes and Make Decisions
    S47 E12: Brainless Slime Molds Navigate Mazes and Make Decisions
    Meet the charismatic slime mold Physarum—which can learn, make decisions, and ...
    Meet the charismatic slime mold Physarum—which can learn, make decisions, and go through mazes without a brain—and the researchers studying it.
    0:02:46
  • NOVA -- The "Holy Grail of Yogurt" is CRISPR
    S47 E11: The "Holy Grail of Yogurt" is CRISPR
    Bacteria use CRISPR to defend themselves from viruses. Here's how researchers ...
    Bacteria use CRISPR to defend themselves from viruses. Here's how researchers have used it to benefit yogurt cultures since 2007.
    0:04:01
  • NOVA -- Living with Sickle Cell Anemia
    S47 E11: Living with Sickle Cell Anemia
    Gene-edited babies could be free of sickle cell anemia. David Sanchez, a teen ...
    Gene-edited babies could be free of sickle cell anemia. David Sanchez, a teen with the disease, shares his thoughts on living with sickle cell—and a possible future without it.
    0:03:22
  • NOVA -- The Joys and Challenges of Birding While Black
    The Joys and Challenges of Birding While Black
    In May 2020, Chris Cooper was birding at The Ramble in New York City’s Central ...
    In May 2020, Chris Cooper was birding at The Ramble in New York City’s Central Park. He recounts the incident that garnered national attention and offers his perspective on diversity in the ...
    0:03:54
  • NOVA -- Losing a Loved One to Early Onset Alzheimer's
    Losing a Loved One to Early Onset Alzheimer's
    This woman was 59 years old when she lost her battle with Alzheimer’s. Watch ...
    This woman was 59 years old when she lost her battle with Alzheimer’s. Watch her husband and son share her story.
    0:04:53
  • NOVA -- How Communities Can Adapt to Climate Change
    How Communities Can Adapt to Climate Change
    Climate change’s effects are already being felt today, so adapting will be ...
    Climate change’s effects are already being felt today, so adapting will be necessary—and it doesn't have to hurt. Explore how building resilience can have a silver lining.
    0:03:59
  • NOVA -- Can Geoengineering “Undo” Climate Change?
    Can Geoengineering “Undo” Climate Change?
    Discover how geoengineering solutions—from techniques as natural as planting ...
    Discover how geoengineering solutions—from techniques as natural as planting trees, to vacuuming CO2 out of the air, to science-fiction alternatives like blocking sunlight—can help humanity turn ...
    0:04:41
  • NOVA -- Cutting our Greenhouse Gas Emissions to Zero
    Cutting our Greenhouse Gas Emissions to Zero
    Most experts agree that the key to avoiding worsening effects from a changing ...
    Most experts agree that the key to avoiding worsening effects from a changing climate is to cut greenhouse gas emissions to zero. Explore how scientists approach the challenge, and discover the ...
    0:04:52
  • NOVA -- Three Solutions That Can Slow or Stop Climate Change
    Three Solutions That Can Slow or Stop Climate Change
    Tackling climate change might seem daunting, but there’s actually a wide set ...
    Tackling climate change might seem daunting, but there’s actually a wide set of climate solutions. NOVA breaks down the three “speed bumps” that can slow and possibly stop us from reaching the ...
    0:04:21
  • NOVA -- How Sharp are an Eagle's Eyes?
    S47 E7: How Sharp are an Eagle's Eyes?
    A golden eagle is tasked with finding her handler 1.5 miles away, putting her ...
    A golden eagle is tasked with finding her handler 1.5 miles away, putting her keen eyesight to the test.
    0:02:45
  • NOVA -- Watch Baby Eagles Hatch and Grow
    S47 E7: Watch Baby Eagles Hatch and Grow
    In Iowa, bald eagle parents work hard to raise their first two chicks.
    In Iowa, bald eagle parents work hard to raise their first two chicks.
    0:04:07
  • NOVA -- How CRISPR Works in Nature
    S47 E11: How CRISPR Works in Nature
    Discover how it works in bacterial cells and how it can be applied to other ...
    Discover how it works in bacterial cells and how it can be applied to other forms of life—including humans.
    0:03:24
  • NOVA -- Why Antibody Tests Don’t Yet Reveal Coronavirus Immunity
    S47 E9: Why Antibody Tests Don’t Yet Reveal Coronavirus Immunity
    Our producer gets her own blood tested and investigates what exactly these ...
    Our producer gets her own blood tested and investigates what exactly these “magic” molecules are, why public health professionals are eager to roll out antibody testing, and just what antibody ...
    0:05:59
  • NOVA -- How Wuhan is Using Digital Gatekeeping to Reopen
    S47 E9: How Wuhan is Using Digital Gatekeeping to Reopen
    Anyone entering or leaving a building or public space in Wuhan is required to ...
    Anyone entering or leaving a building or public space in Wuhan is required to scan special location-marking codes with their phone.
    0:02:47
  • NOVA -- How Viruses Like the Novel Coronavirus Evolve
    S47 E9: How Viruses Like the Novel Coronavirus Evolve
    There are more viruses than stars in the universe, and luckily, most are ...
    There are more viruses than stars in the universe, and luckily, most are harmless to us. But danger can come when we're exposed to a virus we’ve never encountered before.
    0:02:53
  • NOVA -- When You Lose a Loved One to Coronavirus
    S47 E9: When You Lose a Loved One to Coronavirus
    A 73-year-old resident of Queens, New York fell ill with COVID-19 in February. ...
    A 73-year-old resident of Queens, New York fell ill with COVID-19 in February. It was far worse than his family expected.
    0:06:36
  • NOVA -- Can Scientists Use RNA to Create a Coronavirus Vaccine?
    S47 E9: Can Scientists Use RNA to Create a Coronavirus Vaccine?
    Scientists are trying new, revolutionary techniques to make a SARS-CoV-2 ...
    Scientists are trying new, revolutionary techniques to make a SARS-CoV-2 vaccine, but face challenges along the way.
    0:05:28
  • NOVA -- How the Hormone Leptin Helps Regulate Appetite
    S47 E6: How the Hormone Leptin Helps Regulate Appetite
    A young man with lipodystrophy receives treatment after researchers find a ...
    A young man with lipodystrophy receives treatment after researchers find a hormone in mice that helps regulate appetite in humans.
    0:06:48
  • NOVA -- How Do Sumo Wrestlers Avoid Obesity-Related Diseases?
    S47 E6: How Do Sumo Wrestlers Avoid Obesity-Related Diseases?
    Experts weigh in on the relationship between food and exercise—turns out it's ...
    Experts weigh in on the relationship between food and exercise—turns out it's much more complex than it seems. Remembering sumo champion Byambajav Ulambayar, who died in February 2020.
    0:02:51
  • NOVA -- How the Immune System Fights Cancer
    S47 E5: How the Immune System Fights Cancer
    Researchers discover how cancer masks itself from the immune system and figure ...
    Researchers discover how cancer masks itself from the immune system and figure out how patients’ immune systems can recognize cancer cells and attack them.
    0:02:49