Whiter teeth, without the burn

Most people would like to flash a smile of pearly whites, but over time teeth can become stained by foods, beverages and some medications. Unfortunately, the high levels of hydrogen peroxide in dentists' bleaching treatments ...

The persistent danger after landscape fires

Reactive oxygen species (ROS) cause oxidative stress at the cellular level. Research shows that this way, amongst others, they inhibit the germination capacity of plants, produce cytotoxins or exert toxic effects on aquatic ...

What induces sleep? For fruit flies it's stress at the cellular level

Sleep-deprived fruit flies helped reveal what induces sleep. University of Oxford researchers Anissa Kempf, Gero Miesenböck, and colleagues reveal that fruit fly sleep is driven by oxidative stress, the imbalance of free ...

Making artificial blood for transfusions

Blood transfusions can save the lives of patients who have suffered major blood loss, but hospitals don't always have enough or the right type on hand. In search of a solution, researchers have developed a promising substitute ...

Bakar Fellow: Aiding cells' strategy to survive

As any human biology text will tell you, enzymes in the stomach and intestine break down proteins that are locked into almost every bite we eat. The proteins' amino acid building blocks are then transported to the body's ...

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