• NOVA -- This University Monitors COVID-19 Through Saliva Testing
    This University Monitors COVID-19 Through Saliva Testing
    One out of 50 COVID-19 tests in the U.S. are processed at the University of ...
    One out of 50 COVID-19 tests in the U.S. are processed at the University of Illinois at Urbana-Champaign. Here's how its researchers are tracking the spread of the coronavirus on campus, and how the ...
    0:06:53
  • NOVA -- The Biggest Space News Stories of 2020
    The Biggest Space News Stories of 2020
    The coronavirus pandemic may have been the biggest science news story of 2020, ...
    The coronavirus pandemic may have been the biggest science news story of 2020, but it wasn't the only story. Learn more about three space developments of the year: the discovery of phosphine in ...
    0:05:27
  • NOVA -- Your COVID-19 Vaccine is Coming
    Your COVID-19 Vaccine is Coming
    Here’s how the Pfizer/BioNTech, Moderna, and other coronavirus vaccines work, ...
    Here’s how the Pfizer/BioNTech, Moderna, and other coronavirus vaccines work, their potential side effects, who’s first in line to receive them, and why we need to address racial and social ...
    0:07:12
  • NOVA -- Is it Safe to Fly During the Pandemic?
    Is it Safe to Fly During the Pandemic?
    The CDC advises people to avoid travel for the 2020 holidays due to COVID-19 ...
    The CDC advises people to avoid travel for the 2020 holidays due to COVID-19 surges.
    0:06:14
  • NOVA -- Saving Notre Dame's Stained Glass Masterpieces
    S47 E8: Saving Notre Dame's Stained Glass Masterpieces
    Discover the effects the fire had on Notre Dame's stained glass, and how one ...
    Discover the effects the fire had on Notre Dame's stained glass, and how one scientist is meticulously cleaning and repairing it.
    0:03:02
  • NOVA -- Stabilizing Notre Dame's Famous Buttresses
    S47 E8: Stabilizing Notre Dame's Famous Buttresses
    After the Notre Dame fire of 2019, a team of architects and engineers must ...
    After the Notre Dame fire of 2019, a team of architects and engineers must design a way to stabilize the famous cathedral's buttresses before its roof and entire structure collapses.
    0:03:03
  • NOVA -- What is Solar Geoengineering and Why is it Controversial?
    S47 E16: What is Solar Geoengineering and Why is it Controversial?
    Scientists propose putting reflective aerosols into the stratosphere to reflect ...
    Scientists propose putting reflective aerosols into the stratosphere to reflect the sun's rays. But will this have unintended consequences?
    0:04:16
  • NOVA -- How Much Coal Do People Burn Each Year?
    S47 E16: How Much Coal Do People Burn Each Year?
    This visualization uses Washington D.C.'s National Mall to show the scale of ...
    This visualization uses Washington D.C.'s National Mall to show the scale of human coal consumption—and how much CO2 it adds to our atmosphere.
    0:02:13
  • NOVA -- Mars, the Red Planet, Was Once Blue
    S46 E13: Mars, the Red Planet, Was Once Blue
    Much like Earth, Mars was once a water world, rich with the building blocks for ...
    Much like Earth, Mars was once a water world, rich with the building blocks for life. But it didn’t last. Was there enough time for life to take hold on the Red Planet before it dried out?
    0:01:25
  • NOVA -- How Much Does a Thought Weigh?
    How Much Does a Thought Weigh?
    Anywhere information goes, even in your mind, energy goes with it—bottle up ...
    Anywhere information goes, even in your mind, energy goes with it—bottle up that energy and it has mass.
    0:03:57
  • NOVA -- Why Fiddler Crabs Have Giant Claws
    S44 E19: Why Fiddler Crabs Have Giant Claws
    Fiddler crabs' large claws look intimidating, but is deadly combat their main ...
    Fiddler crabs' large claws look intimidating, but is deadly combat their main purpose?
    0:03:32
  • NOVA -- Darwin's Beetles Spar Off
    S44 E19: Darwin's Beetles Spar Off
    Beetles make up the largest group of insects on Earth. Why do so few of them ...
    Beetles make up the largest group of insects on Earth. Why do so few of them have massive pincers?
    0:01:55
  • NOVA -- First Time Britain Left Europe
    S44 E18: First Time Britain Left Europe
    Geologists think these iconic chalk cliffs hold an extraordinary secret.
    Geologists think these iconic chalk cliffs hold an extraordinary secret.
    0:03:15
  • NOVA -- Why Eclipses Don't Happen Every Month
    S44 E11: Why Eclipses Don't Happen Every Month
    Why don't solar eclipses happen every month? After all, you only need three ...
    Why don't solar eclipses happen every month? After all, you only need three things to make a solar eclipse: the Sun, the Earth and the Moon.
    0:01:47
  • NOVA -- How to Build the Universe
    How to Build the Universe
    A how-to guide for anyone planning to build a universe.
    A how-to guide for anyone planning to build a universe.
    0:04:23
  • NOVA -- Dinosaur Parasites
    Dinosaur Parasites
    Even the mighty T. rex was covered in creepy, crawly parasites.
    Even the mighty T. rex was covered in creepy, crawly parasites.
    0:02:49
  • NOVA -- How an Eclipse Proved Einstein Right
    S44 E11: How an Eclipse Proved Einstein Right
    The total solar eclipse of 1919 led Albert Einstein down the path toward ...
    The total solar eclipse of 1919 led Albert Einstein down the path toward stardom. Here’s how.
    0:01:58
  • NOVA -- Unboxing the Universe
    Unboxing the Universe
    What if everything in the universe came to your doorstep...in a box?!
    What if everything in the universe came to your doorstep...in a box?!
    0:04:20
  • NOVA -- What Is Rabies?
    What Is Rabies?
    Rabies is preventable, but it still plagues around 60,000 people a year.
    Rabies is preventable, but it still plagues around 60,000 people a year.
    0:05:04
  • NOVA -- Why Does This Frog Have So Many Legs?!
    Why Does This Frog Have So Many Legs?!
    These frogs can have up to TEN back legs.
    These frogs can have up to TEN back legs.
    0:03:08
  • NOVA -- The Case for Eating Bugs
    The Case for Eating Bugs
    Would you eat insects if it helped save the planet?
    Would you eat insects if it helped save the planet?
    0:04:26