Was life on the early Earth purple?

Early life forms on Earth may have been able to generate metabolic energy from sunlight using a purple-pigmented molecule called retinal that possibly predates the evolution of chlorophyll and photosynthesis. If retinal has ...

Ancient pigment can boost energy efficiency

A color developed by Egyptians thousands of years ago has a modern-day application as well – the pigment can boost energy efficiency by cooling rooftops and walls, and could also enable solar generation of electricity via ...

First sensor for 'crowd control' in cells

University of Groningen scientists have developed a molecular sensor to measure 'crowding' in cells, which reflects the concentration of macromolecules present. The sensor provides quantitative information on the concentration ...

Blue whales perform precise acrobatics while hunting (w/ video)

Massive blue whales perform 360° rolls in order to take in the largest possible volume of krill according to research published in Biology Letters today. Whales also roll over when searching for krill, enabling them to identify ...

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