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Matter & Energy

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warping space

EINSTEIN ENDURES  According to Einstein’s general theory of relativity, massive objects warp space (illustrated above), producing gravitational attraction. Scientists don’t understand how general relativity interfaces with quantum mechanics, but a pillar of general relativity, the equivalence principle, has withstood a new quantum test.

Neonothopanus gardneri mushroom

MUSHROOM AFTER DARK  A naturally bioluminescent mushroom (Neonothopanus gardneri from Brazil’s palm forests shown) has a usefully easy-going enzyme that might inspire new glow-in-the-dark labels.

GAMMA GLUT  Extra gamma rays from the center of the Milky Way, detected by the Fermi Gamma-ray Space Telescope (shown), could be a sign of dark matter. But a new study doesn’t support that idea, finding that other parts of the galaxy also exhibit excess gamma rays.

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