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Biology & Chemistry

Ancestral Traits: How Genetics Determines Aspects of Ourselv

Finding Your Roots



Geneticists discuss how DNA and genetics determines our traits, like eye color, and how our shared DNA can surface recurring traits down our family lines. Continue


Forgotten Genius

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NOVA



The story of how African-American Percy Julian defied the odds to become a famous chemist. Continue


Gamers and Genomics

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NOVA



An online game called Phylo taps the brainpower of thousands of players to solve complex problems in genetics. Continue


Pesticides and GM Crops

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America Revealed



Kansas farmer Greg Stone’s corn production is under attack. Yul talks to Greg about the measures he has taken to stop pests from ravishing his crops. Yul also meets Robert Grace, a crop duster or ‘Ag-flyer’. Robert has seen a change over the years in the number of different types of chemicals he has to use. Continue


Magnetic Fish Hooks Save Sharks

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NOVA



A chance discovery that sharks avoid rare earth magnets may help protect them from over-fishing. Continue


NOVA Elements iPad App

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NOVA



Explore an interactive periodic table, play an elemental game, and watch the NOVA program. Continue


Elemental Bloopers

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NOVA



Watch David Pogue's hilarious out-takes from NOVA's "Hunting the Elements." Continue


Exploration Wednesdays

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PBS Presents



Investigate the world around and beyond us with host Yul Kwon. Join us for back-to-back episodes of Nature, NOVA and America Revealed, Wednesday nights on PBS. 4/11/2012 Continue


Extract Your Own DNA

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NOVA



Behold your very own DNA in this do-it-yourself science experiment. Continue


Cracking Your Genetic Code Preview

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NOVA



Premiering March 28, 2012 at 9pm on PBS Continue


From Eggs to Kelts

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Nature



Here is a brief look at the lifecycle of one of the world’s most popular and most important fish. Continue


Becoming Human Full Series Preview

NOVA



Where did we come from? What makes us human? An explosion of recent discoveries sheds light on these questions, and NOVA's comprehensive, three-part special, "Becoming Human," examines what the latest scientific research reveals about our hominid relatives. Continue


NOVA Elements iPad App

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NOVA



Explore an interactive periodic table, combine elements to make real stuff, and watch the two-hour NOVA program. Continue


Crop Spraying

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America Revealed



Follow the journey of crop sprayer Robert Grace in this data visualization. We attached a GPS unit to Robert’s plane and tracked him for two weeks as he sprayed crops in Kansas. This video gives a unique view of the work that Robert does and reveals why crop spraying is still necessary even though farmers grow genetically modified crops with built in toxins to kill pests. Continue


Hunting the Elements

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NOVA



A two-hour special from the producers of "Making Stuff" Continue


Elements in the Ocean

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NOVA



Marine geochemist Catherine Jeandel has bottled the world’s oceans to decipher their past—and future. Continue


Elemental Bloopers

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NOVA



Watch David Pogue's hilarious out-takes from NOVA's "Hunting the Elements." Continue


Name That Element!

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NOVA



Think you know the periodic table? See how quickly you can name the mystery elements we describe. Continue


Origins: Earth Is Born Preview

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NOVA



Journey back to the beginning of everything: the universe, Earth, and life itself. Continue


Great White Shark

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Inside Nature's Giants



The experts travel to South Africa to dissect a 15-foot-long great white shark. Comparative anatomist Dr. Joy Reidenberg uncovers the amazing array of senses the shark possesses, including the ability to detect the electro-magnetic field given off by other creatures. Continue


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