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Curated Video
Trump on NCarolina storm visit, Koreas and Manafort
Preparing to leave the White House Wednesday morning, heading to the Carolinas ravaged by Hurricane Florence, US President Donald Trump praised the rescuers but also warned that rivers "are just starting to crest."
Curated Video
Trump talks on storm visit; Koreas and Manafort
Preparing to leave the White House Wednesday morning, heading to the Carolinas ravaged by Hurricane Florence, President Donald Trump praised the rescuers but also warned that rivers "are just starting to crest."
Curated Video
Ukrainians mark Easter amid virus outbreak
Police cordoned off all the entrances of the Pechersk Lavra Church in Kyiv on Saturday after multiple cases of the new coronavirus were confirmed inside the monastery next to the church.
Bloomberg
Australian Gold Miner Newcrest Gets Takeover Offer From US's Newmont
Australia's biggest gold miner Newcrest Mining Ltd. says it has received an indicative takeover proposal from Denver-based Newmont Corp. Newcrest says its board is considering the proposal. Paul Allen reports on Bloomberg...
Khan Academy
Khan Academy: Introduction to the Doppler Effect
Do you know why a siren has a high-pitched sound as it moves towards you but when it moves away it has a low-pitch sound? In this video learn about how the Doppler Effect causes this perceived change in the pitch of a sound. [10:36]
PBS
Pbs Learning Media: Bridging Culture, Community and Science
See how a place-based high school curriculum project promotes STEM learning through local ethnography and conservation projects. This video segment showcases one of 11 CREST projects taking place in rural, coastal Maine communities. [5:40]
Sophia Learning
Sophia: Wave Speed: Lesson 1
This lesson will show how to calculate wavelength and determine wave speed. It is 1 of 2 in the series titled "Wave Speed."
Sophia Learning
Sophia: Wave Shape: Lesson 3
This lesson will introduce the shape of waves, including amplitude and frequency. It will also describe how the shape of waves changes from one type to the next. It is 3 of 5 in the series titled "Wave Shape."