Green light for clever algae

Phytoplankton not only constitutes the foundation of the food chain in the oceans, it also fixes carbon through photosynthesis and generates oxygen with the help of solar energy. A considerable part of phytoplankton is made ...

How the zebrafish gets its stripes

The zebrafish, a small fresh water fish, owes its name to a striking pattern of blue stripes alternating with golden stripes. Three major pigment cell types, black cells, reflective silvery cells, and yellow cells emerge ...

New findings on the formation of body pigment

(PhysOrg.com) -- The skin's pigment cells can be formed from completely different cells than has hitherto been thought, a new study from the Swedish medical university Karolinska Institutet shows. The results, which are published ...

Fish prone to melanoma get DNA decoded

Scientists at Washington University School of Medicine in St. Louis and elsewhere have decoded the genome of the platyfish, a cousin of the guppy and a popular choice for home aquariums. Among scientists, the fish are meticulously ...

Shedding light on the brown color of algae

For many people, algae are just an odorous nuisance on their vacation beach or unwelcome guests in the garden pond and aquarium. This does not take into account, however, the enormous effects these mostly microscopic aquatic ...

Viruses cause bacteria to produce pink pigments

Plants use certain colour pigments in order to convert light into energy by way of photosynthesis. They allow plants to gather light energy. This also works in a similar way for microbes, for instance cyanobacteria. The fact ...

UD chemist investigates reactions that damage paintings

In the days before artists could go to a store and buy commercial paints, they mixed their own, often combining pigments made of lead salts with such materials as egg whites and vegetable oils.

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