Public schools, nonprofit private schools, and residential childcare institutions can participate in the National School ...

Polaritons are coupled excitations of electromagnetic waves with either charged particles or vibrations in the atomic lattice ...

Why does the rooster crow and the hen does not? This question prompted the scientist Arnold Adolph Berthold to castrate a ...

Many bilaterally symmetrical animals, including humans, possess a continuous digestive tract that extends from the mouth to ...

More than seven in 10 adults said the future of the nation (77%) is a significant source of stress in their lives, with the ...

Caltech scientists have developed a method driven by machine learning that allows them to accurately measure the mass of ...

Armed with sterile tubes, students at the University of Ottawa Faculty of Medicine fanned out across Canada's capital city ...

At the High-Altitude Water Cherenkov (HAWC) observatory, 13,000 feet above sea level on the Sierra Negra volcano of Mexico, ...

Inhaling smoke is bad for you. Smoke from any kind of fire, from bonfire to burn-off to uncontrolled wildfire, can have ...

A large communications satellite has broken up in orbit, affecting users in Europe, Central Africa, the Middle East, Asia and ...

A team of behavioral ecologists, zoologists and crop protection specialists from Tel Aviv University reports that Oriental ...