This blog post is an edited excerpt from Human Impact, a new publication from Science Connected. Edited by Kate Stone and Shayna Keyles, Human Impact delivers 17 true tales of how humanity has changed the Earth, for better or for worse. This chapter appears in Human Impact as “Act Now: Engaging in Citizen Science,” and includes contributions from Caroline Nickerson, Kristin Butler, and Julia Travers.
Act Now: Engaging in Citizen Science
Ci ...read more
Spiraling cloud patterns called Von Kármán vortices, spotted at nighttime off the coast of Morocco on July 19, 2019 by the Suomi NPP satellite. (Source: NASA Earth Observatory)
Spiraling cloud formations are often visible in satellite images — but at night, as seen above?
Until recently, that has been rare, at best. But newer technology for sensing and processing light in the shortwave infrared part of the electromagnetic spectrum has made it easier for satellites to s ...read more
The entrance to Denisova cave, where the ancient humans were first discovered. (Credit: Igor Boshin/Shutterstock)
Nestled in foothills of Russia’s Altai Mountains, Denisova Cave has been a research mecca since 2010, when fossil DNA from the site revealed a previously unknown human lineage, now called the Denisovans. Scientists have been working hard to reconstruct the cave’s history, through ongoing excavations as well as new analyses of materials recovered years ago.
First, wh ...read more
Astronomers using the Spitzer Space Telescope discovered that exoplanet LHS 3844b probably lacks any atmosphere at all. (Credit: ESO/NASA)
Rocky planets just a little larger than Earth are some of the best targets for finding life in our local cosmic neighborhood. They're abundant. But it’s not just the size that has to match Earth. Our planet wouldn’t be the life-sheltering place it is without its atmosphere, which keeps us warm enough not to freeze, but not so hot that we smothe ...read more
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