Matter
The Scallop Sees With Space-Age Eyes — Hundreds of Them
Each scallop eye is built something like the gigantic telescopes that peer into deep space, researchers reported on Thursday.
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CreditYlenia Chiari Trilobites
How a Giant Tortoise Gets Off Its Back
The shells of tumble-prone saddlebacks on the Galápagos Islands may not do them any favors, according to a new study.
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CreditRob Found Trilobites
Shy Elk and Bold Birds Become Partners in the Wilderness
Magpies will eat ticks that drain the blood from elks, but a scientist found it takes the right mix of elk-magpie personality for the relationship to work.
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CreditPaul D. Ryan Trilobites
Storm Waves With the Power to Heave Massive Boulders Over Cliffs
Instead of tsunamis, scientists think that massive stones sitting on cliffs above the western Irish coast were probably moved there by storm surges.
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CreditReinhard Dirscherl/ullstein bild, via Getty Images Tracking the Elusive Whale Shark
A new study includes data and photos identifying the big sea creatures — especially the young — and where they like to hang out.
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CreditJoshua Stevens/NASA Earth Observatory Seeking the Source of the Vanishing Great Salt Lake
Human consumption — not seasonal fluctuations or climate change — is primarily to blame for the Great Salt Lake’s desiccation, according to a recent analysis.
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CreditRobert Fletcher/University of Florida Things Looked Bleak Until These Birds Rapidly Evolved Bigger Beaks
Scientists thought that invasive large snails spelled doom for endangered North American snail kites, until some of the birds started eating them.
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CreditNASA If No One Owns the Moon, Can Anyone Make Money Up There?
Ambiguities in the 50-year-old Outer Space Treaty may be getting in the way of entrepreneurs seeking opportunities elsewhere in our solar system.
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Out There
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CreditM. Kornmesser/European Southern Observatory, via Agence France-Presse — Getty Images An Interstellar Visitor Both Familiar and Alien
Astronomers offer new details about Oumuamua, a probable asteroid arriving from beyond the solar system and leaving in a big hurry.
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Credit Cities That Never Sleep Are Shaped by Sunrise and Sunset
A study using cellphone call records of more than a million people found that city dwellers continue to be affected by Earth’s natural light-dark cycle.
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Credit ‘Crazy Jigsaw Puzzles’ Improve Our Views of Coral Reefs
An analysis of 3D photomosaics of reefs in the Pacific Ocean could help scientists better understand the health of coral around the world.
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Credit Even Whales Have to Exfoliate
In summer, when they move into warmer waters, bowhead whales in the Canadian Arctic rub against underwater rocks to shed skin.
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Credit Do Lefties Have an Advantage in Sports? It Depends
The southpaw advantage may be stronger in sports that give players less time to respond to an opponent’s actions, a new study suggests.
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Credit The Scuba Diving Flies of California’s Mono Lake
For most insects, water is a death trap. These alkali flies cover themselves with a bubble of air to dip into a salty lake.
