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Why are there seven days in a week?
Your calendar dates back to Babylonian times. Aleksandra Pikalova/Shutterstock.comCurious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to...
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Being copycats might be key to being human
Imitation is the sincerest form of being human?Rawpixel.com/Shutterstock.comChimpanzees, human beings’ closest animal relatives, share up to 98% of our genes. Their human-like hands and facial...
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Microwaving sewage waste may make it safe to use as fertilizer on crops
Water purification at a modern urban wastewater treatment plant involves removing undesirable chemicals, suspended solids and gases from contaminated water. arhendrix/Shutterstock.comMy team has...
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Meet the narwhal, 'unicorn of the sea'
Over 100,000 narwhals swim the Earth's Arctic waters.Kristin Laidre, CC BY-NDNarwhals are often called the unicorns of the sea. The long tusk of the male narwhal sets these whales apart, but it’s not...
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Screen time: Conclusions about the effects of digital media are often...
Humans are barraged by digital media 24/7. Is it a problem?Bruce Rolff/Shutterstock.comThere’s a lot of talk about digital media. Increasing screen time has created worries about media’s impacts on...
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Identifying aquatic plants with drones could be the key to reducing a...
Researchers operate inexpensive drones to 'see' the areas with the highest likelihood of parasites.Chelsea L. Wood/University of Washington, CC BY-NDFor the majority of people on Earth, parasites are a...
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Native people did not use fire to shape New England's landscape
Old-growth forests prevailed in New England for thousands of years.David Foster, CC BY-NDAn interpretive sign stands at the edge of the Montague Plains Wildlife Management Area, a 1,500-acre state...
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Even planets have their (size) limits
A planet-forming disk made from rock and gas surrounds a young star. NASA/JPL-Caltech/SwRI/MSSS/ Gerald Eichstädt /Seán DoranScientists have discovered over 4,000 exoplanets outside of our Solar...
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What a bundle of buzzing bees can teach engineers about robotic materials
Individuals working together as one.Orit Peleg and Jacob Peters, CC BY-NDGathered inside a small shed in the midst of a peaceful meadow, my colleagues and I are about to flip the switch to start a...
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How Iran's military outsources its cyberthreat forces
In the wake of the U.S. killing of a top Iranian general and Iran’s retaliatory missile strike, should the U.S. be concerned about the cyberthreat from Iran? Already, pro-Iranian hackers have defaced...
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Victorian efforts to export animals to new worlds failed, mostly
A murmuration of starlings over West Pier in Brighton England. Lois GoBe/Shutterstock.comIn 1890, a New York bird enthusiast released several dozen starlings in Central Park. No one knows for sure why...
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If it's below 40 degrees in South Florida, the forecast calls for falling...
Beware cold-stunned 'chicken of the trees.'AP Photo/Wilfredo LeeAs temperatures were dipping this week, the National Weather Service issued freeze warnings for much of Florida and Georgia, adding a...
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Why your zodiac sign is probably wrong
As the Earth orbits the Sun, the Sun appears to move through the ancient constellations of the zodiac.Tauʻolunga/Wikimedia Commons, CC BY-SAI was born a Capricorn (please don’t judge me), but the Sun...
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What is white-nose syndrome in bats?
Dr. Winifred Frick examines a bat for white-nose syndrome.Alan Hicks, CC BY-NDCurious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to...
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Why your zodiac sign is probably wrong
As the Earth orbits the Sun, the Sun appears to move through the ancient constellations of the zodiac.Tauʻolunga/Wikimedia Commons, CC BY-SAI was born a Capricorn (please don’t judge me), but the Sun...
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Brain organoids help neuroscientists understand brain development, but aren't...
Just a few millimeters across, organoids are clumps of cells that resemble the brain. Madeline Andrews, Arnold Kriegstein's lab, UCSF, CC BY-NDWhat was going on with our brain...
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What is a super spreader? An infectious disease expert explains
Whether by biology or behavior, some people in the crowd will transmit coronavirus to more than the average number of others.AP Photo/Kin CheungAs the emerging Wuhancoronavirus outbreak dominates the...
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Humans are hardwired to dismiss facts that don't fit their worldview
What's behind this natural tendency?Zhou Eka/Shutterstock.comSomething is rotten in the state of American political life. The U.S. (among other nations) is increasingly characterized by highly...
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How do woodpeckers avoid brain injury?
Male pileated woodpecker. FotoRequest/Shutterstock.comSlamming a beak against the trunk of a tree would seem like an activity that would cause headaches, jaw aches and serious neck and brain injuries....
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Identifying aquatic plants with drones could be the key to reducing a...
Researchers operate inexpensive drones to 'see' the areas with the highest likelihood of parasites.Chelsea L. Wood/University of Washington, CC BY-NDFor the majority of people on Earth, parasites are a...
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