Archaeology

Chicken bones and snail shells help archaeologists to date ancient town's destruction

According to new research, the combined analysis of animal and plant remains, as well as written evidence, is leading to more precise dating of archaeological finds. "We can now often determine not only the year, but also ...

Ecology

The early bird gets the fruit: Fossil provides earliest evidence of fruit-eating by any animal

Hundreds of animals eat fruit, from toucans to fruit bats to maned wolves to humans. But most fruit-bearing plants evolved relatively recently in Earth's history, showing up for the first time in the Cretaceous, the final ...

Microneedles unlock curcumin's therapeutic potential

While turmeric root has been used medicinally throughout the world for centuries, science has found that its main chemical component, curcumin, breaks down in the body before its ultimate benefits can be achieved. An exciting ...

New modeling approach helps advance cryopreservation

Cryopreserving tissues and organs without damaging them requires a delicate dance through the principles of thermodynamics. Carnegie Mellon University's Biothermal Technology Laboratory has a novel modeling approach for isochoric ...

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Tech Xplore

The photon ring: A black hole ready for its close-up

When scientists unveiled humanity's historic first image of a black hole in 2019—depicting a dark core encircled by a fiery aura of material falling toward it—they believed even richer imagery and insights were waiting ...

Identifying a new, cleaner source for white light

When early humans discovered how to harness fire, they were able to push back against the nightly darkness that enveloped them. With the invention and widespread adoption of electricity, it became easier to separate heat ...

Hollow-core fibers for precise positioning in space

The vision of cars that drive or planes that fly themselves can only become true if the electronics on board can determine where they are in space, anytime and with reliable precision. In the aerospace sector, this job is ...

Image: ESO telescope images a spectacular cosmic dance

ESO's Very Large Telescope (VLT) has imaged the result of a spectacular cosmic collision—the galaxy NGC 7727. This giant was born from the merger of two galaxies, an event that started around a billion years ago. At its ...

Do wind instruments disperse COVID aerosol droplets?

During the COVID-19 pandemic, many live musical events and festivals were postponed and even canceled to protect musicians and audience members. When they started performing again, many groups resorted to performing with ...

Transition milk improves health in neonatal calves

Feeding calves transition milk instead of milk replacer in the first days of life stimulates intestinal development and improves health scores. In a new report in the Journal of Dairy Science, five researchers from Michigan ...

Protection sought for rare butterflies at Nevada site

Conservationists who are already suing to block a geothermal power plant where an endangered toad lives in western Nevada are now seeking U.S. protection for a rare butterfly at another geothermal project the developer plans ...