In this math video we will learn how to write the equation of a circle. We will review the formula to write the equation of a circle given the center (h, k) and the radius r. We will understand that h represents the x coordinate of the...

A restriction map is a map of known restriction sites within a sequence of DNA. Restriction mapping requires the use of restriction enzymes. In molecular biology, restriction maps are used as a reference to engineer plasmids or other...

In this video you will learn to create restriction maps based on the banding pattern obtained on agarose gel image.

Isoelectric focusing (IEF) is a high-resolution technique for separating proteins based on their isoelectric points, utilizing electric fields to focus molecules into sharp zones within a pH gradient. The pH gradient, created using...

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...

DNA repair mechanisms like base excision repair (BER) and nucleotide excision repair (NER) fix damage by removing and replacing affected regions. BER removes a single damaged base using glycosylases (e.g., to fix deaminated cytosine),...

Zinc Finger Nucleases (ZFNs) are engineered molecular tools composed of a zinc finger DNA-binding domain fused to a FokI DNA-cleavage domain, allowing precise targeting and cutting of specific DNA sequences. Once the DNA is cut, natural...

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...

Astronaut training for space missions: improve motor skills with visualization techniques for better performance.

The true appearance of Mozart is surprisingly contentious - He’s even been described as the most famous person whose true likeness is the least recognized. All of his portraits look a little different. His family members - as well as...

Mary Anne Franks, professor of law at George Washington Law School, recently published Fearless Speech: Breaking Free from the First Amendment. In the book, she explores the concept of "fearless speech," drawn from the ancient Greek idea...

Doc McWheelie builds a personal robot assistant in her lab to help her repair cars, ensuring no vehicle is left unattended!

Dive into 'Deepfake AI' to learn about the technology that can create realistic videos of people saying or doing things they never did! A quick, important exploration of digital trust and safety, perfect for young internet users.

This video contains four challenging maths puzzles with quick answers. These maths puzzles are great for brain training and for lesson starters. Pause the video while you work each one out.

Learning to play an instrument is not only fun but also helps build confidence, discipline, and important skills. Some great beginner instruments include the piano, guitar, ukulele, violin, flute, saxophone, and drums, each offering...

Music is a special way people all over the world connect and have fun. There are many kinds of musical instruments, like string instruments, woodwinds, brass, percussion, keyboards, and guitars, each making different sounds. If you want...

Join Seth Kane, aka Dr. Adventure, as he transforms prosthetics into expressive, empowering tools at The New Flesh Workshop, pioneering human enhancement.

Explore the enigmatic world of the Codex Seraphinianus, a bizarre and cryptic book full of strange symbols and illustrations that have baffled readers for decades.

Uncover the surprising history of powdered wigs, from syphilis remedies to aristocratic fashion statements.

In the inaugural episode of this new webseries "Poetry Defined," we tackle our series' namesake. We define what poetry is and briefly explore its etymology. This will set-up the rest of this series moving forward.

Explore Dubai’s close-knit surfing scene, where locals and expats come together to ride the waves and share their passion for the sport.<br/>

The final essential element of poetry is line, which structures a poem’s verses and stanzas. Maya Angelou’s Still I Rise demonstrates the power of line through rhyme schemes, rhetorical questions, and similes, all of which enhance the...

The Articles of Confederation created the United States' first government. This foundational document paved the way for the development of a more unified and powerful federal system, under the U.S. Constitution.

From the Sierra Nevada to the Rockies, these natural giants were formed in different ways over thousands of years, making up the United States's iconic landscape.