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The Real Reason Leaves Change Color In the Fall

Adults Education Life Nature

Want to learn more about the topic in this week’s video? Here are some keywords to get your googling started: Leaf senescence, chlorophyll, carotenoid, anthocyanin

Flavor Science: What's Really in a Pumpkin Spice Latte

Adults Food History

If you take a look at an ingredients list, odds are you’ll find natural and artificial flavors somewhere in there.

The hidden meanings of yin and yang - John Bellaimey

Adults Culture Education Life

The ubiquitous yin-yang symbol holds its roots in Taoism/Daoism, a Chinese religion and philosophy.

Which Healthcare System is Best?

Adults Health History Human

Are you ready for the understatement of the century? Health care is complicated. Across the 200 or so countries on Earth, there are a lot of different ways people receive health care.

Civilian Tries on NASA Spacesuit For the First Time

Adults Construction Science Space

How does WIRED's Brent Rose feel about being the first person outside of the space program to try on a pressurized space suit?

Adorable Seal Pup Starts to Explore

Adults Animals Life Nature

Starting with a doggy paddle, this curious seal pup is taking his first dip into the icy Arctic waters, with a close eye from mum.

Protecting the Okavango Ecosystem | National Geographic

Adults Film Life Nature

From the air to the ground, innovations in science and technology are helping scientists explore an ecosystem of rivers that supply water to the Okavango Delta in Botswana.

Primitive Technology: Rock-Throwing Catapult (Trebuchet)

Adults Creativity Education Nature

I built a trebuchet, a type of catapult that uses a counter weight to store gravitational potential energy which is then used to fire a projectile via a sling.

Why Weather Forecasts Suck

Adults Life Nature Weather

There are two types of rain, and one of them is almost impossible to forecast.

These companies with no CEO are thriving

Adults Business History

Get to know the different kinds of co-ops, how they work, and how they differ from traditional companies.

How Laws Affect Your Health: Crash Course Public Health

Adults Health Life Politics

If you’ve been paying attention to the news since, oh, say, 2020, then you’ll no doubt be aware that public health policy can often create tension.

Financial Advisor Answers Money Questions From Twitter

Adults Economy Life World

Kevin L. Matthews II, author and financial educator, answers questions from twitter about money and spending.

World’s Grumpiest Cat I Frozen Planet II I BBC Earth

Adults Animals Life Nature

Dinnertime is a gamble for Pallas’s cats, and this one’s hangry. Relative to their body size, they have the shortest legs of any cat, which makes attacking prey in a timely fashion somewhat tricky…

Filming a Black Bear Swamp Crossing | America the Beautiful BTS | National Geographic

Adults Film Life Nature

Louisiana black bears den in cypress trees above dangerous swamps, but how do these bears get their cubs from the tree to dry ground?

Primitive Technology: Making Iron From Creek Sand

Adults Construction Creativity Education

I made iron from ordinary sand in the creek. Sand contains a minor proportion of iron in the form of magnetite (and some hematite), the rest of the sand being other non iron minerals such as silica.