Science360
Disappearing Red Shrimp
Molecular biologist Scott Santos and his team at Auburn University are studying an unusual and endangered ecosystem in Hawaii called Anchialine pools, as well as one of its legendary creatures. A threatened ecosystem, Anchialine pools...
Curated Video
Abiotic Factors and Their Effect on Communities
The video is a lecture presentation on abiotic factors. It defines what abiotic factors are and how they can impact the number and type of organisms within a community. The presenter discusses different abiotic factors such as light...
msvgo
Theories of Evolution
The nugget explains the different theories of evolution (mutation theory, theory of natural selection, theory of inheritance) with examples.
Professor Dave Explains
CRISPR-Cas9 Genome Editing Technology
We've learned about a few techniques in biotechnology already, but the CRISPR-Cas9 system is one of the most exciting ones. Inspired by bacterial immune response to viruses, this site-specific gene editing technique won the Nobel prize...
Journey to the Microcosmos
Heliozoa: Round, Sticky, and Covered in Spikes
Heliozoa: Round, Sticky, and Covered in Spikes
Curated Video
Biotic Factors: How Living Things Affect Ecosystems and Communities
This video is a lecture presentation on biotic factors. The presenter defines biotic factors and explains how they can affect communities and ecosystems. The focus is on living factors, such as availability of food, arrival of new...
Journey to the Microcosmos
Do Microscopic Immortals Actually Exist
Are you immortal if you never age? Defying death is not as clear-cut as it might initially seem. What we define as immortality depends a bit on what you think it means to die.
Science360
The krill factor in ocean mixing - Science Nation
Engineers investigating impact of krill swarms on ocean mixing, and possibly global climate Scientists have long chalked up ocean mixing of salt, heat, nutrients and gases, such as oxygen and carbon dioxide, to wind and tides. New...
Journey to the Microcosmos
The Chaotic Life of Seashore Ciliates
The Chaotic Life of Seashore Ciliates
Catalyst University
Basics of Fluid Thioglycollate Media (FTM) | With Examples
In this video, we explore how fluid thioglycollate media (FTM) functions, and what it tells us about an organism's aerotolerance (aerophilic tolerance).
Catalyst University
Allopurinol Mechanism of Action for Gout
In this video, we explore the mechanism of allopurinol, a drug used in the treatment of gouty arthritis.
Curated Video
Fossils: Evidence for Evolution and Extinction
This video explains the use of fossils as evidence for the theory of evolution by natural selection. It describes the three main ways in which fossils can be formed, and how they provide evidence of organisms that lived millions of years...
Journey to the Microcosmos
Gastrotrichs Four Day Old Grandmothers
These little hairy-bellied friends lead a very interesting life, albeit a short one.
Journey to the Microcosmos
Ophyroglena The Tricky Transforming Ciliate
On the surface, Ophyroglena seems like it should be pretty easy to identify, but it all depends on which stage of life it's currently in.
Curated Video
I WONDER - What Is Biodiversity?
This video is answering the question of what is biodiversity.
Journey to the Microcosmos
The Purple Bacteria That Are Afraid of Oxygen
“But wait!” you might be saying to yourself. “How can an organism be photosynthetic and so afraid of oxygen? Doesn’t photosynthesis create oxygen?” And yes, you would be correct—most of the time...
Journey to the Microcosmos
How Do Colonies Help Microorganisms Survive?
In the microcosmos, it's dangerous to go alone. This week we go on a journey into colonies to find out why sticking together is such a great strategy!
Curated Video
Growth in Organisms: Understanding Cell Division and Differentiation in Animals and Plants
The video provides an overview of growth in organisms, specifically focusing on growth in animals and plants, and how growth can be monitored using percentile charts. The presenter explains that growth in animals involves cell division...
Journey to the Microcosmos
Midi-chlorians Our Connection to the Force - April Fools' Day Video
Midi-chlorians Our Connection to the Force - April Fools' Day Video
Catalyst University
Why do dead whales EXPLODE? | The Infamous Japanese Exploding Whale
Have you seen the videos on Youtube in which beached, deceased whales explode? How does this occur? In this video, we delve into the biological and physical reasons for this "booming" topic.
Professor Dave Explains
Phyla Orthonectida and Dicyemida: Mesozoans
We've arrived at the spiralia phyla orthonectida and dicyemida. The dycemids live exclusively in the renal sac of benthic cephalopods, such as an octopodes. Orthnectids spend most of their lives as trophic plasmodium within the tissue of...
Curated Video
Factors Affecting Diffusion and Impact on Organisms
This video discusses the concept of diffusion in biology, with a focus on what affects the rate of diffusion and its impact on organisms. The video explains that the rate of diffusion is affected by the concentration gradient,...