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Primitive Technology: Smelting Iron In Brick Furnaces

Adults Education Life Nature
I made 3 furnaces from bricks using different configurations to test their effectiveness. The benefit of using bricks to make a furnace is that it's quicker, easier, re-useable and portable relative to a furnace constructed in-situ from clay.

Whiskey Lamb Shanks | Friday Night Feast | Jamie Oliver

Adults Family Film Food
It's friday night and we've got an incredible recipe for you to try this weekend. This dish is inspired by Scotland, using the delicious flavours of haggis. The lamb is so tender it just falls off the bone, served with a rish sauce and cheesey mash. What more could you want!

What Happens if a Supervolcano Blows Up?

Adults Life Nature World
The Earth is a gigantic ball of semi-molten rock, with a heart of iron as hot as the surface of the Sun. Titanic amounts of heat left over from its birth and the radioactive decay of trillions of tons of radioactive elements find no escape but up.

There’s No Such Thing As “Warm-” Or “Cold-” Blooded

Adults Biology Health Life
The concept of warm-blooded and cold-blooded animals is outdated because there are actually tons of different animal thermoregulation strategies.

Is capitalism actually broken?

Adults Business Economy Industry
People have become increasingly worried that the threats we face today, like climate change and rising inequality, can’t be solved by a capitalist economic system. So, is that true? And if it is, can we fix capitalism or do we need to tear the system down and build a new one from scratch? Explore the different types of capitalism and the role it plays in our society.

How to read music - Tim Hansen

Adults Education Music Writing
Like an actor's script, a sheet of music instructs a musician on what to play (the pitch) and when to play it (the rhythm).

World's Largest Horn Shatters Glass

Adults Construction Creativity Science
I might upgrade my car horn to this.

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 Fun 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 Economy 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…

Underground Labyrinth Of Badgers

Adults Animals Life Nature
Badgers are secretive creatures who have been seen by few. So how do these elusive animals live their lives?