Tiny, far-flung Pluto is about to have a visitor — at least for a few hours.
On July 14, NASA’s New Horizons spacecraft will reach the dwarf planet and try to learn all it can about Pluto and its five known moons. Then the probe will leave Pluto behind, vanishing into the frigid darkness beyond the planets.
In its wake, New Horizons will introduce Earth to the...
Science & the Public
People who live near airports serving small planes are exposed to lead from aviation fuel. A new study now links an airport’s proximity to slightly elevated blood-lead levels in children from area homes.
Small planes (known in the trade as general aviation) tend to run on gasoline, most of which contains lead as an octane booster. These aircraft — used as taxis, personal aircraft and...
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Imagine a future in which a single drop of water holds a veritable army of living robots; in which people download software updates not for their computers, but for their bacteria; and in which specially programmed cells course through a person's arteries, monitoring blood sugar concentrations and keeping an eye out for cholesterol buildups.
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Half a century ago, science took a step into science fiction when Theodore Maiman demonstrated that a...