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Assaf Vardi

The Coral Sweepstakes

High-speed films of coral reveal how tiny hairs are used for housekeeping

Satellite image showing a patch of bright waters associated with a bloom of phytoplankton in the Barents Sea off Norway. Image courtesy of Norman Kuring, Ocean Color Group at Goddard Space Flight Center, NASA

Understanding how viruses attack giant algal blooms may help us understand their role in fixing global carbon

Diatom cells expressing ROS-sensitive proteins in the nucleus (green) and chlorophyll (red)

Ocean plankton turn a toxic byproduct into a sophisticated stress indicator

Invisible Coral Flows, the winning photography entry

An image tracing the unseen flow generated by small hairs on corals wins for beauty as well as science

Seagoing research team (l-r) Uri Sheyn, Dr. Miguel Frada, Shlomit Sharoni, Daniella Schatz, Dr. Assaf Vardi and Dr. Yoav Lehan

Dr. Assaf Vardi and his Weizmann team joined a month-long research cruise to study the life cycle of a tiny microorganism

algal bloom from space

How do algal blooms spread in areas where nutrients are scarce? 

Dr. Flores on Tara

Scientists aboard the TARA investigate marine ecology

Dr Daniella Schatz

A viral infection in marine microorganisms has consequences for the entire planet