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EcosystemsHow an invasive ant changed a lion’s dinner menu
An invasive ant is killing off ants that defend trees from elephants. With less cover, it’s harder for lions to hunt zebras, so they hunt buffalo instead.
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PhysicsA predicted quasicrystal is based on the ‘einstein’ tile known as the hat
The einstein tile can cover an infinite plane only with a nonrepeating pattern. A material based on it has features of both crystals and quasicrystals.
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AnimalsA bird flu outbreak is sweeping the globe. Its long-term effects are unclear
A reporter’s recent trip to the Galápagos offered a chance to reflect on the bird flu outbreak, which has killed millions of birds and other animals.