Ecology

Heart cockles have windows in their shells to let in light for symbiotic algae

A team of marine biologists, ecologists and evolutionary specialists from the University of Chicago, Stanford University and Duke University has found that heart cockles have windows in their shells to allow in light needed ...

Archaeology

Engraved trees map the way to preserving Sámi culture

Archaeologists analyzed trees engraved by the Indigenous Sámi of Arctic Europe, revealing the significance of these rare remnants of Sámi culture and the importance of preserving them from ongoing deforestation.

Chandra and Hubble tune into 'flame-throwing' Guitar Nebula

Normally found only in heavy metal bands or certain post-apocalyptic films, a "flame-throwing guitar" has now been spotted moving through space. Astronomers have captured movies of this extreme cosmic object using NASA's ...

Healthy women have cells that resemble breast cancer, study finds

A new study from researchers at The University of Texas MD Anderson Cancer Center finds that, in healthy women, some breast cells that otherwise appear normal may contain chromosome abnormalities typically associated with ...

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Tech Xplore

The mystery of the secretly sexual lichens

The patches of lichen you've probably seen growing on tree trunks and park benches might be easy to overlook, but they're actually some of the world's strangest living things. While they're sometimes mistaken for moss, lichens ...