Taxonomic identification of the 173 worked (a) and unworked (b) bone objects: (1) blank, Tito Bustillo, sperm whale; (2) projectile point with massive base, Isturitz, blue whale; (3) projectile point, ...

The Standard Model of particle physics describes electromagnetic, weak, and strong interactions, which are three of the four known fundamental forces of nature. The unification of the fourth ...

Quantum entanglement has been demonstrated so far for a wide variety of particles and for their various properties. For photons, particles of light, entanglement can exist for their direction of ...

According to new research from Keele University and the Universidad de Alicante, near-Earth explosions of giant O- and B-type stars occur at a rate of 2.5 per one billion year; this result supports ...