Curated Video
How to Wash Clothes in a Lake with Phosphate-Free Soap
Howcast - Don't wear dirty clothes when you're camping at the lake. Clean your clothes with environmentally friendly soap and keep that stink localized to the skunks.
Curated Video
How to Fix Cloudy Fish Tank Water
Howcast - Learn how to fix cloudy tank water from aquarium expert Joseph Caparatta in this Howcast video.
Curated Video
How to Take Care of Tadpoles
Raising tadpoles until they become small frogs is a great way to learn about the natural world.
Curated Video
Environmentalists hold ‘wake’ for Lough Neagh over toxic algae bloom
Environmentalists hold ‘wake’ for Lough Neagh over toxic algae bloomSource: PA
Curated Video
How the Ocean Powers Life from Reef to Rainforest
The marine ecosystem intricately connects with life on land through processes like the production of DMS gas by algae, which seeds clouds and nourishes inland rainforests—rainforests that in turn return nutrients back to the sea. As...
Veritasium
Why Are 96,000,000 Black Balls on This Reservoir?
I took a boat through 96 million black plastic balls on the Los Angeles reservoir to find out why they're there. The first time I heard about shade balls the claim was they reduce evaporation. But it turns out this isn't the reason they...
Curated Video
Why Are So Many of Gray Whales Washing Ashore?
From Mexico all the way up to Alaska, hundreds of gray whales have been washing up ashore. The deaths peaked in 2019, and the numbers were so significant that it led scientists to call it an Unusual Mortality Event (UME) which kicked...
Curated Video
Eutrofización
Sobreabundancia de nutrientes en una masa de agua que provoca un crecimiento excesivo de plantas.
Twig - Biología
Curated Video
Agar
An extract of certain species of red seaweed that's used as a gelling agent in microbiology and food preparation. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual...
Curated Video
Cell wall
A flexible or rigid boundary protecting a cell, outside the cell membrane. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science Glossary Films...
Curated Video
Eutrophication
An overabundance of nutrients in a body of water, causing excessive plant growth. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science Glossary...
Curated Video
Chlorophyll
A green pigment found in all plants and algae, that enables energy from sunlight to be converted to chemical energy through the process of photosynthesis. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds...
Curated Video
Humphead Parrotfish
The amazing grazing habits of the parrotfish, which helps turn hard coral into pure white sand. Biology - Animal Kingdom - Learning Points. Humphead parrotfish are found throughout the Indian and Pacific oceans. Humphead parrotfish feed...
Curated Video
Algae: Simple Photosynthetic Organisms
Very simple organisms that can photosynthesise like plants, but do not have complex features such as roots, stems, or leaves. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise...
Curated Video
Autotroph
An organism that can make its own food, being able to produce complex organic compounds, such as proteins and carbohydrates. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise...
Curated Video
Photosynthesis: Converting Sunlight into Chemical Energy
The process that plants use to convert energy from the Sun into chemical energy. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science Glossary...
Curated Video
Food Chain - Energy Flow in Ecosystems
A food chain simply states which organisms consume each other, and shows how energy moves through living things in an ecosystem. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and...
Curated Video
Lichen: Indicator Species
Lichens exist in extreme environments where other life struggles to survive. But these tough species cannot tolerate pollution, and reflect the health of ecosystems. Biology - Ecosystems - Learning Points. Lichens are organisms that can...
Curated Video
Algae: Diverse and Vital Organisms of Our Ecosystems
Discover the amazingly diverse world of algae. These species come in all shapes and sizes, and are one of the most important groups of organisms on our planet. Biology - Ecosystems - Learning Points. Algae produce more oxygen than all...
Curated Video
Oceans: Coral Seas
Coral seas are the most colourful and diverse habitats on Earth, built from a unique symbiotic relationship between coral larvae and algae. Biology - Ecosystems - Learning Points. Coral reefs are found in warm, tropical oceans and are...
Curated Video
Oceans: Sunlight Zone
The ocean's surface is teeming with creatures that live in water but need sunlight to survive. Biology - Ecosystems - Learning Points. The sunlight zone is the area between 0m and 200m beneath the surface of the sea and is home to...
Curated Video
The future of energy
Explore the ways in which scientists are developing new sources of energy. People and places -Future of energy - The future of energy Learning Points Science helps with developing cleaner and more efficient energy sources. A Twig...
Curated Video
Water pollution
Life on Earth could not exist without water. However, human activities can cause water pollution. How can we prevent this? People and places -Human impact on the environment - Polluting our water Learning Points Human activity can...
Curated Video
Sharks and fur seals
Case study on the food chain of sharks and fur seals. Life processes - Living things in their environments - Food chains Learning Points Primary consumers eat producers, secondary and tertiary consumers eat other animals. Producers make...