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The Weird Sex Lives of Bluegills

AdultsLifeNatureAnimalsScienceBiology
When it comes to the mating game, fish have some of the strangest ways of thwarting the competition.

Secrets of the Elephants

AdultsFilmLifeNatureAnimals
Natalie Portman narrates the upcoming four-part series where the secret lives of elephants are revealed. Executive produced by James Cameron, “Secrets of the Elephants” premieres Friday, April 21 on National Geographic.

When Tree Planting Goes Wrong

AdultsEducationFactsNatureEnvironmentEcology
Special thanks to the Society for Ecological Restoration and its global partners for their support during this production; and to the Convention on Biological Diversity, which is part of the United Nations Environment Program.

The 3 Reasons This Tree Has Lived 5000 Years

AdultsHistoryLifeNatureScienceEnvironment
Methuselah’s environment lacks nutrients, water, and oxygen. In other words, it’s the perfect place to grow very very old.

Playtime for Young Kea Birds | Frozen Planet II | BBC Earth

AdultsAnimalsLifeNature
For these young Kea birds, there is always time to play. This apparently carefree behaviour helps establish long-lasting relationships between the youngsters, and even diffuses tension.

How Giraffes are Fed at Disney's Animal Kingdom

AdultsAnimalsLifeNatureEntertainment
It's another beautiful morning at Disney's Animal Kingdom, and it's time to visit the giraffes! Come along as the staff make sure the giraffes are well fed.

Primitive Technology: Cane Water Filter/Siphon

AdultsConstructionEducationNatureDIYHow-toScience
I made a water filter from cane that siphons clean water from a dirty water while simultaneously using the xylem present in the the cane as a filter.

The Stickiest Non-Sticky Material

AdultsAnimalsNatureScienceBiologyTechnology
Adhesives based on gecko skin can hold huge weights – without sticking to anything.

Pet Shop Breakout Sparks Chameleon Invasion

AdultsHumanLifeNatureAnimalsEnvironment
When dozens of Jackson chameleons escaped a Hawaiian pet shop in 1972, they started to wreck havoc on the local ecosystem.

https://youtu.be/xuRpF9RnrOM

AdultsHistoryNatureTravelAdventure
Treasure hunting has captured our imaginations for centuries. Draining the oceans reveals the richest wrecks ever found.

Machu Picchu 101 | National Geographic

AdultsNatureTravelWorldHistoryCulture
Machu Picchu is a testament to the power and ingenuity of the Inca empire. Built without the use of mortar, metal tools, or the wheel, Machu Picchu stands as an archaeological wonder of the ancient world. But why was it built—and deserted?

The Future of Machines That Move like Animals | Robert Katzschmann | TED

AdultsExperimentsLifeTechnologyNature
Imagine a boat that propels by moving its "tail" from side to side, just like a fish. That's the kind of machine that TED Fellow Robert Katzschmann's lab builds: soft-bodied robots that imitate natural movements with artificial, silent muscles.

4 Plants that Hunt Underground

AdultsEnvironmentLifeNatureScienceBiology
Carnivorous plants tend to live in environments where the soil can’t provide enough of the nutrients they need to survive, so they have developed all sorts of methods to trap and consume the critters of the area, including hunting underground!

Tidepooling along the Pacific Coast | National Geographic

AdultsLifeNatureTravelFood
Nature’s incredible details take on new meaning for chef Melissa King as she joins National Geographic Photographer and Explorer Anand Varma to explore coastal tide pools and craft a recipe inspired by her discoveries. Paid Content for Mazda.

5 Day Build with Fish Pond

AdultsConstructionCreativityNatureDIYSurvival
About Primitive Survival Tool : We Have 3 People In the wild , Mr Pen Sann : ( Actor ) Mr Sophal : ( Actor ) Mr Kimhout (Camera Man). In this video we going to show you about Build Fish Pond In front of Underground Roof Grass Hobbit House With Simple Tool as full video with very simple tools and skill!

Mushroom Wars

AdultsLifeNatureScienceGamingFun
Two mushroom guilds with vastly different strategies are locked in competition for forest dominance.

King Penguins and Melting Glaciers I Our Frozen Planet I BBC Earth

AdultsAnimalsLifeNatureEnvironmentWildlife
Melting glaciers in South Georgia have opened up new habitat for penguin colonies, but the impacts of ice loss globally are far-reaching – with potentially devastating consequences. If Greenland’s ice sheet were to fully melt, global sea levels could rise by seven metres. Can we work together for a different future?

Exploring the Active Volcano of Mauna Loa | National Geographic

AdultsFoodLifeNatureTravelScience
National Geographic Explorer Andrés Ruzo joins chef Melissa King in Hawaii to summit the world's largest active volcano, source local ingredients, and create a dish inspired by the island. Paid Content for Mazda.

Primitive Technology: Smelting Iron In Brick Furnaces

AdultsEducationLifeNatureScienceTechnologyEngineering
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.

What Happens if a Supervolcano Blows Up?

AdultsLifeNatureWorldScienceGeology
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.

The Real Reason Leaves Change Color In the Fall

AdultsEducationLifeNatureScienceBiology
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