New microfossils suggest earlier rise in complex life

Microfossils from Western Australia may capture a jump in the complexity of life that coincided with the rise of oxygen in Earth's atmosphere and oceans, according to an international team of scientists.

Programmed cell death may be 1.8 billion years old

Apoptosis, often referred to as programmed cell death, is a fundamental process crucial to the growth and development of multicellular organisms. This process, or a primordial form of it, is also observed in single-celled ...

Scientists reveal how phosphate escapes from actin filaments

Actin filaments are dynamic protein-fibers in the cell built from single actin proteins. Many cellular functions, including cell movement, are regulated by constant filament assembly and disassembly. The disassembly phase ...

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