NASA had a big—and little—problem. For a small satellite, the agency needed a tiny antenna, with very specific communication ...

Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. Scientists usually think of natural selection as a slow process ...

Natural selection, the evolutionary process that guides which traits become more common in a population, has been acting on us for the past 3,000 years, right up to the modern day, new research ...

When most people think about natural selection, they imagine individuals competing with one another: The fastest animal escapes predators, the strongest plant produces more seeds, and the most ...

Dr. Rochelle Walensky,director of the Center for Disease Control and Prevention, recently described the delta variant of the COVID-causing SARS-CoV-2 virus thusly: “(It) is showing everyday its ...