Search results for “lernen alucation”

Swift: Gamma-Ray Bursts

In the late 1960s, scientists accidentally discovered gamma-ray bursts — intense flashes of energy that typically last no more than a few minutes and are often as short as a fraction of a second. For decades after the discovery of these powerful bursts, they remained one of the greatest mysteries in

What is toxicology?

What is toxicology, and why might a toxicologist just turn out to be your best friend? Risk Bites takes a look in this brief introduction to the science of toxic chemicals that might harm you, and how it's relevant to risk assessment. Risk Bites was created by Andrew Maynard, and is supported by th

ScienceCasts: Desert Dust Feeds Amazon Forests

Visit http://science.nasa.gov/ for more. The Amazon rainforest and the Sahara desert seem utterly different. Yet NASA satellites have discovered a surprising connection that intimately links these two disparate parts of our planet. Click here to see more videos: https://alugha.com/NASA

The Dynamic Sun

In this video from NOVA’s Sun Lab, learn about the Sun’s ever-changing surface and magnetic field. Images and animations illustrate how the Sun’s magnetic field lines are affected by the motion of the Sun’s plasma. Over time, the magnetic field becomes twisted and more complex, which increases solar

The history of hemp

The history of hemp began with cannabis as a medicine. In 2700 BC it was first recorded. Long controversial and banned, today one country after another around the world is loosening its restrictive cannabis legislation. Author: ZDF/Terra X/J. v. Kalkreuth/D. da Cruz/Maximilian Mohr Translation and

5 Hints Your Friendship Is Turning Into Love

Are you starting to catch feelings for your friend? If so, how can you tell where it’s going to lead? Friendships can be complicated, especially when there is potential for it to develop into something more. To help you self-reflect and bring a little more clarity to this topic, today we’ll be talki