Quanta

[:es]Cells in symbiotic partnership, nested one within the other and functioning like organelles, can borrow from their host’s genes to complete their own metabolic pathways.[:]

[:es]Beneath our awareness, the brain lets certain kinds of stimuli automatically capture our attention by lowering the priority of the rest.[:]

[:es]A brain circuit that suppresses distracting sensory information holds important clues about attention and other cognitive processes.[:]

[:es]Maintaining perfect stability through negative feedback is a basic element of electrical circuitry, but it’s been a mystery how cells could do it — until now.[:]

[:es]A giant star’s death throes may offer the first evidence of a pair-instability supernova, and a glimpse of the first stars in the universe. [:]

[:es]A new measurement appears to have eliminated an anomaly that had captivated physicists for nearly a decade. [:]

[:es]Craig Callender worries that the analogy between black holes and thermodynamics has been stretched too far. [:]

[:es]Modern humans and more ancient hominins interbred many times throughout Eurasia and Africa, and the genetic flow went both ways.[:]

[:es]The twisting loops of the sun’s magnetic field control the flow of charged particles throughout the solar system. For the first time, researchers have created a scale model of this […]