Exposing what's in tattoo ink

From life-like faces to elaborate nature scenes, tattoos are a true art form. Although people have decorated their bodies for millennia for ceremonial and religious reasons, many people today adorn themselves with these images ...

Sugar metabolism is surprisingly conventional in cancer

For over a century, cancer cell metabolism has been viewed as something of a paradox. New work from researchers at Washington University in St. Louis shows that it might not be such an anomaly after all. The study is published ...

How calcium ions get into the cellular power stations of plants

Calcium is a very special nutrient. In the cells of most living beings calcium ions function as so-called second messengers to transmit important signals. The same applies equally to animal, plant and fungal cells. Through ...

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