Topic: photosynthesis

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Colorscope, an exploration of color across cultures

How do different cultures perceive and use color? Colorscope touches upon those perceptions and uses throughout history in this series of videos from CNN Creative, written and narrated by British art historian and bro...

The seafloor microscope that can reveal corals’ secrets

See the seafloor like you've never seen it before, thanks to this microscope, the first to show 1.6 millimeter-sized coral polyps up close in the wild. An effort to better understand these lifeforms in the face of cor...

How Do Trees Transport Water from Roots to Leaves?

Travel through a part of the water cycle that we don't often think about: Water's journey from the roots of a Douglas fir, upward through hair-thin fibers within the trunk, reaching the tree's photosynthesizing needle...

Dead stuff – The secret ingredient in our food chain

When you picture the lowest levels of the food chain, you might imagine herbivores happily munching on lush, living green plants. But this idyllic image leaves out a huge (and slightly less appetizing) source of nouri...

Why do leaves change color?

The arrival of autumn is a great reason to talk about chemistry: When tree leaves change from green to reds, oranges, yellows, and browns, we're seeing the tree's green chlorophyll fade away, revealing hidden autumnal...

How NASA sees photosynthesis from space

This NASA Earth Science video, NASA Sees Photosynthesis From Space, is not only a lesson in how plants use light to make food for themselves, but also demonstrates how changing your perspective ...

Mimosa pudica (touch-me-nots) & rapid plant movement

This is a mimosa pudica, also known as the sensitive plant or a touch-me-not. It is known for its rapid plant movement, moving quickly into a closed, sleep position when touched, shaken, blown at, etc, only to open a...

Preserving the Forest of the Sea – Science on the SPOT

In this Science on the SPOT: Preserving the Forest of the Sea, watch Kathy Ann Miller, PhD, curator of the University Herbarium at the University of California - Berkeley, as she shares the wide variety of seaweeds ...

The dazzling fluorescent colors of corals under actinic lights

The kind of light that we see things in changes how we see those things. This reef tank is shot under actinic light, which will not only facilitate photosynthesis or stimulate light sensitive species, but also changes...


 
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