The video is about the negative effects of harmful substances on the human body, particularly during adolescence. The speaker highlights the importance of avoiding substances like alcohol, tobacco, caffeine, and non-prescription drugs,...

In this video, students are taught how to regroup numbers by trading ones, 10s, and hundreds. They learn about the base 10 number system and the place value of each digit. Using base 10 blocks as visual aids, they see how combining 10...

Hi, everyone, I’m Audrey from Janus Academy, an established language school based in Singapore. We focus on teaching Chinese and Japanese, specialize in Chinese phonetics. Hope you find our videos interesting and educational. In this...

Teenagers might get up to risky behavior. But if you keep them busy, they're less likely to get in trouble. Challenging academic standards can help reduce risky business.

China has launched three astronauts up to its new space station from its Jiuquan Satellite Launch Center in northwest China, its first crewed mission in almost five years.

How to pronounce the numbers 11-19 in American English. Improve your American Accent / spoken English at Rachel's English with video-based lessons and exercises.

AN EIGHTEEN-year-old 'human doll' spends $1,500 each month to realise her dream of being the ultimate real-life Barbie. At the age of 16, Gabriela Jirackova, from Prague, Czech Republic, started amping up her normal beauty regime with...

n June 2010, at age 16, Abby Sunderland attempted to be the youngest person to sail the world solo. When she found herself stranded and lost at sea, Abby's life was saved by NASA-developed satellite-based search and rescue...

The Wall Street Journal has produced an unparalleled look inside Facebook's operations. Join the investigative team as they discuss their findings and take your questions.

Rates of teen suicide are rising, and rates for girls are higher than any time in the last 40 years. There are a number of ways to address this problem, but why aren't we using evidence based approaches to the problem?

The video explains how to use digits and place value to count objects in groups of 10. It reviews the number system and base 10 blocks, and provides examples of counting chocolate chip cookies and cans on shelves. The video also...

Ever wonder what is going on in the mind of a teenager, especially one who is stressed out? UCLA Psychologist Adriana Galvan is on a quest to find out. With support from the National Science Foundation, she's investigating the effects of...

Reservedly advocated as a humane killing device by Dr. Joseph-Ignace Guillotin during the 18th century, the guillotine executed people en masse during the French Revolution; France discontinued its use after 1977. The mechanism of...

In this video, students learn how to write numbers as words by understanding standard form, expanded form, and word form. They also learn about the tricky numbers like teens and tens and how to correctly write them.