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In January 2016 in Kenya, the conditions were just right for an outbreak of Rift Valley fever. A strong El Niño on the other side of the world had brought higher temperatures and a wetter-than-normal ...
Each summer, monsoon rains sweep across southwestern Asia, soaking India and Bangladesh. In nearby Pakistan, the rains are usually less intense, more intermittent, and centered in the northeast. The ...
Carbon is the backbone of life on Earth. We are made of carbon, we eat carbon, and our civilizations—our economies, our homes, our means of transport—are built on carbon. We need carbon, but that need ...
Image Dust Engulfs Coastal Peru Skies turned orange across the city of Ica as winds, locally known as Paracas winds, lofted dust from the coastal desert region. Published Aug 4, 2025 Image of the Day ...
In the black dome of night, the stars seem fixed in their patterns. They rotate through the sky over the seasons so unchangingly that most cultures have used the presence of one or another ...
All of this extra carbon needs to go somewhere. So far, land plants and the ocean have taken up about 55 percent of the extra carbon people have put into the atmosphere while about 45 percent has ...
The most valuable fossils found in sediment cores are from tiny animals with a calcium carbonate shell, called foraminifera. One species of foraminifera lives in the icy waters of the Arctic above ...
Before widespread human settlement began to encroach on the borders of South America’s Amazon forests, there was no such thing as an Amazon fire season. Now, fire may pose the biggest threat to the ...
At least as far back as King David’s psalms and Isaiah’s prophecies, snow has been characterized as a symbol of purity. “Lawn [linen] as white as driven snow” was how Shakespeare once described it.
Examine the set of graphs below for a given city. Read carefully the temperature and precipitation scales on the graphs. Review the biome information. Two biome choices are given for each set of ...
Phytoplankton are the foundation of the aquatic food web, the primary producers, feeding everything from microscopic, animal-like zooplankton to multi-ton whales. Small fish and invertebrates also ...
Say NASA, and many images may come to mind: a white-clad man leaping awkwardly, joyfully across the surface of the moon; probes gliding into the depths of the solar system, sending back pictures of ...
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