25/02/2010

Can a single layer of cells control a leaf's size?

Ever looked carefully at the leaves on a plant and noticed their various sizes and shapes? Why are they different? What controls the size and shape of each individual leaf? Very little is known about the developmental control ...

Fish can recognize a face based on UV pattern alone

Two species of damselfish may look identical -- not to mention drab -- to the human eye. But that's because, in comparison to the fish, all of us are essentially colorblind. A new study published online on February 25th in ...

For better trade, give peace a chance

Liberal theorists and politicians have long argued that trade leads to peaceful relations between nations - a view that informs the push for free trade. However, many international relations experts dispute this claim. New ...

Researchers measure impacts of changing climate on ocean biology

A three-year field program now underway is measuring carbon distributions and primary productivity in the Northwest Atlantic Ocean to help scientists worldwide determine the impacts of a changing climate on ocean biology ...

Does promiscuity prevent extinction?

Promiscuous females may be the key to a species' survival, according to new research by the Universities of Exeter and Liverpool. Published today (25 February) in Current Biology, the study could solve the mystery of why ...

The mathematics behind a good night's sleep

Why can't I fall asleep? Will this new medication keep me up all night? Can I sleep off this cold? Despite decades of research, answers to these basic questions about one of our most essential bodily functions remain exceptionally ...

Scientists find an equation for materials innovation

(PhysOrg.com) -- Princeton engineers have made a breakthrough in an 80-year-old quandary in quantum physics, paving the way for the development of new materials that could make electronic devices smaller and cars more energy ...

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