Bacteria Safari: The forest on your fingernail

They are everywhere. On our skin and in our bodies, on the food we eat and in every environment on the planet. They shape our lives and dramatically influence our health. They are bacteria, but few of us give them a second thought. New scientific research is revealing how these tiny organisms, invisible to the […]

River Birch – Betula nigra – How to Grow River Birch Tree a Pest Resisent Birch Tree

River Birch Betula nigra This is a native american birch. It grows very well in the eastern half of the united states has a wide range all the way from basically the Mississippi River and… Illinois southeast into the carolinas and north… even into Connecticut it’s native. It’s a great plant for the home landscape […]

Global forest network cracks the case of tropical biodiversity

So the big question here is why are there so many species in the tropics? The flipside of that is why are there so few species relative to the tropics in the temperate zone? So we’re at Washington University’s Tyson Research Center located about 25 minutes outside of St. Louis and just on the edge […]

Hey Bill Nye, ‘How Do Greenhouse Gases Trap Photons in Our Atmosphere’? #TuesdaysWithBill

Hello Mr. Nye. Happy Tuesday. My name is Billy. I’m a big fan and I have a question about climate change. If the photons from the sun are trapped in our atmosphere by our greenhouse gases then how come those same greenhouse gases don’t block photons from the sun from ever entering our atmosphere? Is […]

Empress Tree – Paulownia tomentosa – How to grow Royal Empress Tree

This is the empress tree. Paulownia tomentosa. An important bridge, culturally and economically, between our culture and that of Japan. The empress tree is a native of Japan and far eastern China. But there is a pathogen affecting whole stands of this tree in its native range. The main horticultural interest for this tree for […]

Invasion curve animation Biosecurity Council of WA | Department of Agriculture and Food WA

Every West Australian can help protect our State from pest and disease threats that impact on businesses, industry, the economy, the environment and our lifestyle. Western Australia has an enviable biosecurity status, free from many of the world’s worst pests and diseases – a reputation that opens doors to opportunities, especially trade. This reputation is […]

Investigating the Trees of Amazonia

– Tree #83. I don’t know… – Other… – This one? – The other. – Cut. [laughs] – So try to smell. – Oh, it smells spicy! – Yeah. – Yeah. – Yeah, so the nutmeg family, mace. – It smells really good. – Yeah, no, this is a good one. And it’s also in […]

Training Trees

Let’s talk tree basics. An evolutionary phylogenetic tree is a depiction of how different species are related to each other. We’ll start with just one branch, which represents a single species. Like cushion sea stars… or… human beings. The top of that branch contains all the individual organisms of that species. So, all people. Or […]

A Real Alien Invasion Is Coming to a Palm Tree Near You | Deep Look

Aah, Southern California. Y’know, the whole “surf’s up, Tinseltown, sun-soaked glamour” thing? Too bad this idyllic landscape is mostly make-believe. Take the palm trees. They’re not even real trees. They’re more closely related to grass. And they’re imported. Like this Canary Island date palm. It came halfway around the world to be one of the […]

How Many Trees Are There?

[MUSIC] This episode is brought to you by Squarespace. [MUSIC] The world’s tallest tree reaches 380 feet into the sky. One giant sequoia is made of enough wood to fill a 747. One baobab tree in South Africa is so wide that they put a pub inside it. These enormous trees might be rooted in […]