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Health & MedicineTesting mosquito pee could help track the spread of diseases
A new way to monitor the viruses that wild mosquitoes are spreading passes its first outdoor test.
By Susan Milius -
Life50 years ago, scientists were unlocking the secrets of bacteria-infecting viruses
In 1969, a bacteria-infecting virus held promise for unlocking the secrets of viral replication. Fifty years later, the virus is a versatile tool for scientists.
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LifeHow emus and ostriches lost the ability to fly
Changes in regulatory DNA, rather than mutations to genes themselves, grounded some birds, a study finds.
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AstronomyThis planetary remnant somehow survived the death of its sun
A small, sturdy piece of planet survived the collapse of its sun and now orbits the dead star.