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Fireflies twinkle in a field. Mushrooms illuminate a dark forest. Colorful sea creatures light up the ocean. These natural light displays come from bioluminescent creatures. Bioluminescent organisms can produce their own light. Bioluminescence is a chemical reaction. It takes place…
What do compasses, fans, and high-speed trains have in common? They all use magnets to function. Magnets are rocks or metals that create a powerful, invisible field. This field attracts other magnets and certain metals. The presence of a magnetic…
Take a bottle of soda. Shake it really hard. Gas bubbles inside the bottle cause a buildup of pressure. Twist the cap off. Pressure is released. Soda shoots everywhere. A volcanic eruption works much the same way. Pressure builds up…
People around the world witnessed a total lunar eclipse on Friday, July 28. Known as a blood moon for its deep-red color, the eclipse was visible in Australia, Africa, Asia, Europe, and South America at different times throughout the…
Hawaii lawmakers are on a mission to save coral reefs. On July 3, Hawaii governor David Ige signed a bill to help. It bans sunscreens containing chemicals that are harmful to reefs. It is the first bill of its kind…
On May 3, Hawaii’s Big Island experienced a major volcanic explosion. The volcano Kilauea pushed lava and toxic gas from its vents and opened fissures, or cracks, beneath a nearby residential neighborhood. On May 4, the seismic activity caused a…
The first Earth Day was celebrated on April 22, 1970. Energy & Waste The average American produces more than four pounds of garbage per day. Over the course of a year, that is more than 1,600 pounds of garbage per…
California has survived many droughts. But the current dry spell, now in its fourth year, is one of the most severe the state has ever experienced. A shortage of precipitation has left lakes, reservoirs, and other sources of water at…
