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 ...

Parasites lacking ARK1 failed to complete their development in vertebrate host cells or mosquitoes, preventing them from spreading disease. Given the importance of ARK1 for malaria parasites, this ...

A giant DNA virus pulled from a Japanese freshwater pond is forcing scientists to rethink how complex cells first acquired their defining feature: the nucleus. Named ushikuvirus, the newly ...

Should you ever find yourself playing a trivia game on the topic of moths and butterflies, here are a few facts that might help. Collectively called Lepidoptera, moths and butterflies account for ...

In the oceans and on land, scientists are discovering rare, transitional organisms that bridge the gap between Earth’s simplest cells and today’s complex ones. By Carl Zimmer A flurry of new studies ...

This event is closed to the public. Metabolic scaling—the positive correlation between metabolic rate and organism size—exists across broad taxonomic groups and provides a foundation for predicting ...

Under microscopes, scientists found that giant single-cell organisms were able to vacuum up more food when they are stuck together. By Jack Tamisiea For a creature made up of only a single cell, the ...

Scientists at the Macquarie University in Australia worked with an international team of scientists to achieve a major milestone in synthetic biology by completing the creation of the final chromosome ...

A bizarre bacteria has been discovered with an ability previously thought impossible for its kind. This strange discovery could shine a light on how some of our earliest single-celled ancestors formed ...

Prokaryotes are ancient, simple forms of life that include bacteria and archaea. These cellular life forms lack membrane-bound organelles. Those organelles, which include the nucleus and the ...

Ryan Heneghan does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond ...