In this lesson, students will learn about the relationship between sine and cosine values on the unit circle. By studying the coordinates of points on the unit circle, they will discover that certain angles have equal sine and cosine...

University of Southern California chemistry graduate student Candy Hwang won second prize and the People's Choice Award in a December 2012 video contest sponsored by the National Science Foundation (NSF), "Creating the...

Over the weekend the FT reported plans that would see the threshold for student debt payments lowered. So in this video, we discuss what the report would mean, the changes that will be made and if it's really fair.

Isha Dua is one of the lucky ones. As the 15-year-old daughter of middle-class parents she enjoys a private education. She is eloquent, intelligent and compared to millions of other children in Delhi, she lives a very privileged life....

Larisa Tarasevich is English teacher of Aban secondary school 3, school coordinator of Global projects including Global student exchange projects, the head of regional English teachers association, volunteer board member of Global...

This video explains the importance of anatomical planes in understanding the location of structures within the body. It covers the transverse, sagittal, and coronal planes, detailing how they are used in medical imaging and examinations....

IELTS Energy Podcast 947: How Speaking Practice Earned Ivan an Overall 7 5

Chris Lehmann is the founding principal of the Science Leadership Academy, a progressive science and technology high school in Philadelphia, PA. The Science Leadership Academy is an inquiry-driven, project-based, 1:1 laptop school...

The United Arab Emirates plans to send a probe to study one hot planet and seven asteroids before landing on an asteroid.

Will the Chicken Cross the Road?



So there's this chicken, and he's on the side of the road. He wants to cross the road. He wants to get to the ot

her side.

Before he steps out and crosses the road,...

A conversation with Dr. Yvonne Pendleton, the Director of the Solar System Exploration Research Virtual Institute (SSERVI).

There are a few things your German teacher shouldn't be allowing to happen in their classes. These are my top 5 things your German teacher does or allows, but shouldn't.

Today you’ll learn four ‘snap’ phrasal verbs and find out where you can use them on your next IELTS Speaking Exam.



a question about phrasal verbs that feature the word ‘snap’, wondering about...

This video looks at key terms for understanding the assumptions that drive most social scientific work, assumptions about knowing, being, and values.

This video covers what it takes to become an expert. Deliberate practice is where you get practice with a specific goal in mind. The goal of deliberate practice is to get out of your comfort zone and really focus on what you need to...

Start 2017 with the 30-day vocabulary challenge: learn 30 phrasal verbs in 30 days! Day 27: the phrasal verb WORK part 2: work against, work around, work at, work away, work in, work off.

NASA’s Nancy Grace Roman Space Telescope will be able to explore even more cosmic questions, thanks to a new near-infrared filter. The upgrade will allow the observatory to see longer wavelengths of light, opening...

In this video, the speaker shares three psychological tips to help students become Toppers in their exams. The tips include avoiding a Plan B mindset, listening to classical music to improve memory, and the benefits of writing by hand....

This video serves as English listening comprehension practice for beginner students. In this video, a native English speaker talks slowly and clearly about the topic of daily routine. The subtitles are included at the bottom of the...

In episode 39, Charlie and Jordan discover one of the most explosive moments in the animal kingdom: the powerful tongue of the tiniest chameleons. This research illustrates that to observe some of nature’s best performances, scientists...

These videos compliment the variety of water quality programs that occur in Acadia National Park. For teachers looking for good background information on water quality or those looking to attend the Floating Classroom field trip, this...

Max holds a book above his head. Moon asks why he is studying this way. Max says it’s because she told him to “keep it up.” Max took it literally, when Moon only meant to encourage him to keep studying.

Experimental designs make a huge impact on the validity of an experiment's results. In this video, we explore the three main types of experimental design used in Psychology experiments: 1) Repeated Measures 2) Independent Groups 3)...

M. V. Lee Badgett is a Williams Distinguished Scholar at the Williams Institute. She is also the director of the Center for Public Policy and Administration at the University of Massachusetts Amherst, as well as a professor of...