Sperm start their sprint to the ovum when they detect changes in the environment through a series of calcium channels arranged like racing stripes on their tails. A team of Yale researchers has identified a key molecule that coordinates the opening and...
Where trees cluster in the world’s savannas is not chiefly determined by environmental influences, but instead follows distinct patterns that can be mathematically described, according to a study appearing the week of May 13 in the journal Proceedings of...