Plant cells have several structures not found in other eukaryotes. In particular, organelles called chloroplasts allow plants to capture the energy of the Sun in energy-rich molecules; cell walls ...

Cells get nutrients from their environment ... phytoplankton and cyanobacteria in the world's oceans are thought to produce between one-third and one-half of atmospheric oxygen on Earth.

However, a growing number of new studies have found that, at least for some cells, death isn’t the end. Instead, it’s possibly the beginning of something new and wholly unexpected. A growing ...

To accomplish this task in an organism with perhaps trillions of cells, the cells of the immune system must be ever vigilant and ready to respond at a moment’s notice. Many immune cells patrol other ...

Cells are the smallest unit of life and the building blocks for all organisms. Each component of a cell has its own function. Animal and plant cells differ and they have similarities. Nucleus ...

and developmental biology and of physics in Yale’s Faculty of Arts and Sciences and a member of Yale’s Quantitative Biology Institute. Past research has shown that bacterial cells can acquire genetic ...

But a new Yale-led study shows that migrating bacterial cells can also respond to changes in their surroundings, quickly and collectively, without any genetic alterations. Specifically, the ...

To make the move from asexual to sexual reproduction, nature took a system by which parent cells reproduced simply ... or select this feature's non-Flash version. Rick Groleau is managing editor ...