Halteria, a genus of microscopic planktonic ciliates that are found in many freshwater environments, can eat huge numbers of infectious chloroviruses —...
A free-living ciliate species called Stentor roeseli, which lacks a central nervous system, is capable of decision making, according to a study published...
Geologists at MIT and Harvard University have unearthed rare, flask-shaped microfossils dating back 635 to 715 million years, representing the oldest known...
