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Dolly Was Lucky
Scientists studying the data on animal cloning argue that cloning a person would be unsafe.
- Chemistry
Milk protein does a membrane good
Chemical engineers have created a new type of durable membrane from whey protein, a natural component of milk.
- Chemistry
Molecules, like Tinkertoys, link up
Researchers have tailored molecules so that they self-assemble into predictable shapes on a gold surface.
- Paleontology
Even flossing wouldn’t have helped
Small particles trapped in minuscule cracks or pits in the teeth of plant-eating dinosaurs could give scientists a way to identify the types of greenery the ancient herbivores were munching.
