Detecting COVID-19 Through Sound; Climate Change And Auto Fuel Standards

Some scientists say they can narrow down who should be tested for COVID-19 by using sounds hidden in human vocal cords. Brett Dahlberg with IEEE Spectrum reports. Also, the Biden administration plans to tackle climate change, and it has the support of businesses to take swift action. Last week General Motors dropped its support of the Trump administration's legal fight against California's strict fuel-efficiency standards, indicating that it's eager to work with Biden.