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Asteroid dirt is 'fluffier' than we thought

The strength of gravity is different on every body in the solar system. Whether it's the crushing weight of Jupiter or the minuscule pull of a small asteroid, this fundamental force of physics still has a major impact on the material those bodies are made up of. A new paper

Why doesn't coffee taste like caffeine?

Though decaf fans might disagree, caffeine is a critical component of a cup of joe. This compound is incredibly bitter on its own, but regular coffee itself is not. A team reporting in the Journal of Agricultural and Food Chemistry has investigated why and explains that the

Water-wave tweezers steer tiny 'surfers' without touching them

Summer brings with it the sight of surfers moving seamlessly across wave crests, with ocean waters carrying them along coastlines. A team of scientists has now created a similar phenomenon—with small objects rather than surfers—that can be controlled by humans rather than by

We can predict space weather—what if we could also stop it?

The weather on Earth can get pretty messy sometimes. But in space, it can be wild, and the effects can be far-reaching. Solar flares, giant explosions on the sun, can send out streams of energy that block radio communications and fry satellite electronics. Geomagnetic storms,