At the epicenter of America's opioid epidemic, Huntington, West Virginia’s

growing addiction problem has overwhelmed everyone from first responder
s to
business owners to newborns. So far, the city's robust efforts
to fight...

Nelson Mandela discusses his first visit to Washington as President of South Africa. Originally broadcast on the MacNeil/Lehrer News hour on October 6, 1994.

Before Josh, 36, arrived at First Place Transition Academy, he had never taken public transportation on his own, much less held down a paying job. But a new pilot program is empowering adults with autism to overcome hurdles to...

Brendan Slocumb spent most of his career as a performer and teacher, but this year released his first book, a mystery called "The Violin Conspiracy." The novel is a reflection of Slocumb's experience in the classical music world, where...

The director of the US Federal Emergency Management Agency on Monday called on the people of Texas and Louisiana to "be involved" as the states struggle with the devastating impact of Tropical Storm Harvey. Speaking at FEMA's...

COVID-19 vaccines were developed with record-breaking speed, and by late

last year they were rolled out to frontline health care workers acros
s the
country. But despite being first in line many of those workers ha
ve...

In depicting American slavery, Hollywood has long left some of the most brutal realities largely unseen. But the filmmakers behind "12 Years a Slave" tried not to flinch in showing the full system of human subjugation. Jeffrey Brown...

How do the structures of organisms enable life's functions? Benchmarks for grades 2, 5, 8 and 12 are included.

In this video Paul Andersen explains how matter and energy are conserved within the Earth's system. Matter is a closed system and Energy is open to the surroundings. In natural systems steady state is maintained through feedback loops...

In this video Paul Andersen shows conceptual thinking in a mini-lesson on molecular-level structures.


TERMS
Molecular-level structures - locations of atoms in
a molecule
Function - an activity or purp
ose for a...

A mini-lesson on patterns at varying scale.

In this video Paul Andersen shows conceptual thinking in a mini-lesson on scale and perspective.


TERMS
Phenomena - observable events in the natural world (require exp
lanations)
Time - an irreversible s
eries of...

Today, we're going to explore the world of role-playing games. Role-playing games are different than most, because they're technically a form of interactive storytelling with one player managing the game as the game master (or dungeon...

in this video Paul Andersen shows conceptual thinking in a mini-lesson on INSERTTITLEHERE.


TERMS
Complex structures - structures that consist of many different and conne
cted parts
Microscopic structures - structures...

We only know 4% of what the universe is made up of. Can we also know what lies beyond our galaxy ... and if there are undiscovered forms of matter? Luckily, we have space messengers - cosmic rays - that bring us physical data from parts...

If you've never had a migraine, you might think it's just a really bad headache. But if you've ever had them, or you know someone who does, you know that they're much worse -- and much more complicated -- than that. Hank explains the...

Every day, we use materials from the earth without thinking, for free. But what if we had to pay for their true value: would it make us more careful about what we use and what we waste? Think of Pavan Sukhdev as nature's banker --...

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Coming to us from 50 years in the future, legendary sci-fi writer Kim Stanley Robinson tells the "history" of how humanity ended the climate crisis and restored the damage done to Earth's biosphere. A rousing vision of how we might unite...

Psychologist Jonathan Haidt asks a simple, but difficult question: why do we search for self-transcendence? Why do we attempt to lose ourselves? In a tour through the science of evolution by group selection, he proposes a provocative...

If you've never had a migraine, you might think it's just a really bad headache. But if you've ever had them, or you know someone who does, you know that they're much worse -- and much more complicated -- than that. Hank explains the...

So how can a game teach us about engineering? Pretty easily! When you're trying to solve a game, or a puzzle, or whatever, you will have a bunch of variables. The trick is knowing how to change one variable at a time to see what changes....

Salman Khan talks about how and why he created the remarkable Khan Academy, a carefully structured series of educational videos offering complete curricula in math and, now, other subjects. He shows the power of interactive exercises,...

Paul Andersen explains how stability and change are regulated in systems through controls and feedback. Controls are used to regulate matter and energy flowing into a system. Feedback mechanisms within the system are used to regulate...