The geologic record is exactly that: a record. The strata of rock tell scientists about past environments, much like pages in an encyclopedia. Except this… Read More »A billion years missing from geologic record
Levels of two major air pollutants have been drastically reduced since lockdowns began in response to the COVID-19 pandemic, but a secondary pollutant ground-level ozone… Read More »COVID-19 lockdowns significantly impacting global air quality
Two thousand camels plod along a dried-up riverbed. The camels are being driven to market. Their destination is hundreds of miles away, in Egypt. The journey takes many… Read More »All you need to know about Sahara
Like power lines in an electrical grid, long wiry projections that grow outward from neurons structures known as axons form interconnected communication networks that run… Read More »Scientists regenerate neurons in mice with spinal cord injury and optic nerve damage
For decades, biology textbooks have stated that eyes communicate with the brain exclusively through one type of signaling pathway. But a new discovery shows that… Read More »Our Eyes send an unexpected signal to the brain
A new mathematical approach uses data on people’s commutes between and within U.S. counties to identify important geographic regions. Mark He of the University of… Read More »Defining geographic regions with commuter data
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