1+ week, 2+ day ago   (1355+ words) Sensors listen for infrasound, a deep-bass thrumming too low for human ears to hear Researchers tracked this prescribed fire in Idaho using acoustic sensors they devised themselves. Most flame spotters scout for wildfires with their eyes. But researchers have shown…...

3+ week, 2+ day ago   (748+ words) Cave dirt suggests one of our ancestor species had been using fire nearly 1.8 million years ago New evidence of early fire use comes from South Africa's Wonderwerk Cave, which was inhabited by groups of Homo erectus between 1.8 million and 900,000 years…...

3+ week, 6+ day ago   (413+ words) This field tracks life cycle patterns and links the changes to environmental cues Seasonal changes, such as increased daylight and warmer weather, can signal to plants when it's safe to begin budding for the spring. Phenology is the field that…...