Feature
- Physics
Molecular Anatomy Revealed
Using ever-faster lasers to zap the electron clouds in atoms and molecules, scientists are making major strides toward observing and controlling the elementary quantum transformations that underlie all of chemistry.
- Earth
Muddy Waters
Even though human activities such as agriculture and deforestation are sending more sediment into streams and rivers, less of that material is reaching river deltas, a trend that exacerbates problems such as subsidence and coastal erosion.
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Learning to Listen
Disparate groups of creatures, including bats, toothed whales, and birds, have evolved biological sonar that they use to track prey, but other creatures have evolved ways to detect this sonar and thereby increase their odds of survival.
