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 ...

Astronomy

The Milky Way represents an outlier among similar galaxies, universe survey data shows

For decades, scientists have used the Milky Way as a model for understanding how galaxies form. But three new studies raise questions about whether the Milky Way is truly representative of other galaxies in the universe.

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 ...

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Medical Xpress

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 ...