A collection of over 40,000 trees in rural Utah is the world’s largest single organism, having all descended from a single seedling. But that’s not all: According to a team of researchers, the ...

A trumpet-shaped, single-celled organism seems able to predict one thing will follow another, hinting that such associative learning emerged long before multicellular nervous systems ...

The clonal quaking aspen known as Pando is between 16,000 and 80,000 years old. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works.

Some single-celled organisms are known to transition to multicellularity during their lifetimes, usually either by cloning themselves or when many similar cells come together to form a larger ...

Much more difficult is learning to connect different types of stimuli or events, and predicting that one is linked to another. Such associative learning was most famously demonstrated when Ivan Pavlov ...