Small plastic or metal bits at the end of shoelaces, known as aglets, prevent laces from unraveling and protect them from ...

"These results bring us closer to unraveling the mechanisms." Scientists discover concerning changes in lizards: 'We are ...

In humans and many other animal species, sex is determined by specific chromosomes. How did researchers discover these so-called sex chromosomes? The path from the initial discovery of sex chromosomes ...

These activities introduce ideas about heredity, observing the differences and similarities in a population, and modeling how inheritance works. Campers can think about organisms as systems in which ...