The Arthur B. Robinson Center on Climate and Environmental Policy leads the fight against alarmist environmental, energy, and climate policies, while promoting sound solutions grounded in individual ...

Short-form data and analysis from Pew Research Center writers and social scientists. To view all our reports and publications, visit our main Publications page. About half (53%) of Americans say they ...

You have two carotid arteries in your neck that are responsible for supplying oxygen-rich blood to your head and brain. Like all arteries, carotid arteries are made up of three layers: An outer ...

A hemoglobin test measures the amount of hemoglobin in red blood cells, which is essential for transporting oxygen throughout the body and carbon dioxide back to the lungs. Normal hemoglobin levels ...

Testing for meningitis may include a physical exam, blood tests, bacterial cultures, imaging, and a spinal tap for cerebrospinal fluid testing to confirm the diagnosis. Seek emergency care for severe ...

Youth make up more than half of the global population and are a powerful engine for innovation, social change and sustainable development. Yet many still face persistent barriers that hold them back ...

It takes 270 electoral votes to win the presidential election. These votes are distributed among the states according to the census. Each state receives electoral votes equivalent to its senators in ...

New discoveries, everyday mysteries, and the science behind the headlines — in just under 15 minutes. It's science for everyone, using a lot of creativity and a little humor. Join hosts Emily Kwong ...