Life's first taste of phosphorus

Despite its impressive biological resume, phosphorus is relatively inaccessible as elements go. To understand how phosphorus obtained its prominent role, scientists are modeling the early geochemical environment on Earth ...

Dead feeder cells support stem cell growth

Stem cells naturally cling to feeder cells as they grow in petri dishes. Scientists have thought for years that this attachment occurs because feeder cells serve as a support system, providing stems cells with essential nutrients.

Making sesame seeds a growth area in global food production

Many people think of sesame seeds as a topping on hamburger buns at profitable global fast-food chains. But in fact the crop has traditionally been unprofitable and difficult to harvest because it produces a low yield. A ...

Rusted root: Weedy rice repeatedly evolves 'cheater' root traits

Weedy rice is neither wild rice nor crop rice, but rice gone rogue that has shed some traits important to people. It also is an incredibly aggressive, potentially detrimental weed that pops up almost everywhere rice is grown, ...

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