Browsing Tag
pbs terra
16 posts
How Fire, Not Spears, Wiped Out America’s Giants
Researchers at the La Brea Tar Pits discovered that a combination of climate change and massive, human-sparked wildfires—not just hunting—led to the extinction of North America’s megafauna.
The U.S. May Be Facing a Huge Water Crisis
Climate change is intensifying water extremes, causing cycles of severe droughts and floods, which are reshaping agriculture, ecosystems,…
A Major Atlantic Ocean Current Is At Risk of Collapsing. Here’s How We Can Save It.
The Atlantic Meridional Overturning Circulation (AMOC) is a critical ocean current that regulates global weather patterns, particularly temperature…
Saving the Arctic
Arctic warming is happening nearly four times faster than the rest of the planet, accelerating the loss of…
How to Study a Three-Century-Old Earthquake
Scientists pinpointed the exact date of a massive 1700 earthquake along the Cascadia subduction zone by analyzing Japan’s…
Inventing the Color Purple… By Accident
Purple, as a color, is so rare in nature that its own scarcity led to its own notoriety…
What Engineers Are Thinking Up to Curb Our Climate Crisis
Scientists, policymakers, and entrepreneurs envision a net zero future where we can store billions of tons of greenhouse…
Fighting Mosquitoes With… Bacteria?
In the battle against mosquitoes, a new weapon has emerged: the Wolbachia bacteria. This groundbreaking method involves releasing…
Your Cat’s a Predator—It’s Probably Just Not Obvious
It’s not directly evident at first glance, but domestic cats descend from a line of successful predatory mammals…
Robots Are Starting to Look Like Us. Should We Worry?
Engineers are slowly but surely advancing the field of robotics; however, a segment of these experts are trying…