Keith Kloor

Collide-a-Scape

Why Culture Matters

NASA’s Aqua satellite captured this view of the Palisades Fire blazing on the afternoon of the day it erupted, Jan. 7, 2025. (Credit: NASA Earth Observatory)

Palisades Fire

Here's what the cataclysmic situation looks like from space.

L.A. Firestorms Have Already Burned an Area Nearly Twice as Large as Manhattan

Grass-covered mounds mark the site of the Roman-era lead mine at Charterhouse on Mendip in the United Kingdom (Credit: Andrew Wilson)


Roman Era Mine

Learn how researchers examined lead levels in ice cores dating back to the Roman Empire, and found concentrations high enough to affect IQs.

Ancient Lead Poisoning May Have Contributed to the Roman Empire’s Downfall  

A study led by Dartmouth researchers shows that microscopic marine animals called zooplankton (pictured) can be enticed to ingest organic carbon particulates in seawater that are later confined to the deep ocean in the animals' feces. The researchers found that clay sprayed on the water's surface bonds with the carbon, creating sticky balls that become part of the ravenous little creatures' daily smorgasbord. (Credit: Mukul Sharma/Dartmouth)


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