An animation of a heart bypass procedure

What happens in a heart attack

An animated look at coronary artery disease

On April 17, 1970, Apollo 13 returned to Earth after narrowly avoiding a deadly disaster in space. This was supposed to be the third mission to land on the moon. Astronauts Jim Lovell, Jack Swigert and Fred Haise launched on April 11 and...

Discover the mysterious crystal that can absorb all the oxygen in a room—science or danger?

Welcome back to the FLUCTUS channel for a discussion about the U-2 spy plane and how it has remained flying for more than 70 years. Fluctus is a website and YouTube channel dedicated to sea geeks. Whenever you are curious or an...

Welcome back to the Fluctus Channel for our exploration of how fighter pilots get to fly the best jet aircraft in the world and what it takes to get there.





Fluctus is a website and YouTube channel dedicated to...

On November 3, 1957, a Soviet space dog named Laika became the first animal to orbit Earth.



‘On This Day in Space’ Video Series on

Space.com

Laika was a 3-year-old stray husky-spitz mix from the streets of Moscow,...

DIY SCI host Steve Spangler demonstrates how gas can be used to make exploding eggs! WARNING: DO NOT TRY THIS AT HOME! PLEASE LEAVE EXPERIMENTS LIKE THIS TO THE DIY SCI PROFESSIONALS!

Reagents- 3% Hydrogen peroxide Principle- This test demonstrate the presence of catalase, an enzyme that catalyses the release of oxygen from hydrogen peroxide (H2O2). It is used to differentiate those bacteria that produce an enzyme...

DNA (Deoxyribonucleic acid) carries the genetic instructions for an organism's growth, development, and reproduction, encoded by sequences of four nitrogen bases: adenine (A), thymine (T), guanine (G), and cytosine (C). These bases form...

Polyacrylamide gel electrophoresis (PAGE) uses a gel matrix formed by polymerizing acrylamide and bis-acrylamide through free radicals generated by TEMED and APS. This exothermic polymerization forms linear chains cross-linked into a 3D...

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...

The East Australian Current (EAC) is a powerful marine river that shapes the climate and supports biodiversity. Scientists aboard the research vessel Investigator explore how this current interacts with underwater mountains to create...

Humans once viewed mountains as the domain of gods and monsters—sacred and fearsome places to be worshipped from afar, not summited. But over time, cultural perceptions shifted, and alongside them, certain mountain peoples physically...

Fish, one of the oldest families in the Animal Kingdom, have thrived in oceans for over 480 million years, using fins and tails for movement and gills to breathe underwater. From solitary swimmers to vibrant coral reef communities, fish...

Empirical and Molecular Formulas are used to help scientist determine the identity of unknown substances. In this video, we discuss what empirical and molecular formulas are, what the difference is between them and how to find/calculate...

We are moving through phylum Arthropoda, and we have just one subphylum left to go, Hexapoda. This one is huge, containing all the insects in the world. What can we say about the general form and function of the hexapods?

Explores the units of equilibrium constants for reactions in different states

Defines how to derive the equilibrium constant expression for chemical reactions

Explores how chemical equilibrium governs gas exchange in human respiration

In this video we are going to look how to name binary ionic compounds. These compounds deal with the ionic bonding of 2 different elements. Remember that an ionic compound is formed between a metal and a nonmetal or a cation and an...

In this video, we explore the fascinating world of fish and their diverse anatomy and adaptations. From jawless fish to those with cartilage skeletons and bone skeletons, fish share common characteristics such as living in water, having...

Molar mass is the mass of 1 mole of a substance. The molar mass of elements can be found on the periodic table and the molar mass of compounds can be found by adding together the molar masses of the elements present in the compound....