ALL LIFE is made of cells. But to build a complex, multicelled organism from those cells almost always requires them to come in more than one type. This means that as cells multiply in a growing ...

Sport junkie or couch potato? Always on time or often late? The animal kingdom, too, is home to a range of personalities, each with its own lifestyle. Biologists report on a surprising discovery: even ...

How do living organisms that lack a brain or nerve cells make decisions? In a new study published in May 2021 in the Proceedings of the National Academy of Sciences of the United States of America ...

Life is ubiquitous on Earth and appears in a diversity of forms. But what characteristics do organisms have? What makes them alive? This activity explores that question. In the first part of the ...

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Like most deep-sea biologists, I have a large collection of decorated Styrofoam cups. A couple dozen line the bookshelf of my office, each displaying a rainbow of Sharpie colors. Each cup is ...

In a study published in Science Advances, a team of UC Davis researchers tracked the movement of fluorescent particles inside ...

BEAUTY OF LIFE: This computer-generated image illustrating how organisms grow proportionally represents only a tiny portion of image E on the following page. Could it be that the way organisms ...

How do parts of ancient creatures, like this fossil skull of an extinct herbivore, Miniochoerus from 33 million years ago, manage to survive and end up in a museum exhibition? Lucia RM Martino and ...