Contributors in Science
Science > General science 
cell senescence and aging
Science; General science
Almost all cancer cells have overcome the normal cellular signals that prevent continued division, and thus are immortal. Normal cells from young individuals can divide many ...
hair loss
Science; General science
Alopecia or hair loss is a common problem that involves numerous potential etiologic factors. Nearly every patient consulting a physician because of hair loss should receive a ...
climate modification
Science; General science
Alteration of the Earth's climate by human activities; humans have the capacity to modify the Earth's climate in several important ways.
allergy
Science; General science
Altered reactivity in humans and animals to allergens (substances foreign to the body that cause allergy) induced by exposure through injection, inhalation, ingestion, or skin ...
harmonics in electric power systems
Science; General science
Alternating current (ac) power generators produce sinusoidal voltage waveforms. Transmission through powerlines and transformers has little effect on the shape of the voltage. ...
belowground herbivory
Science; General science
Although aboveground herbivores are known to affect plant community structure and function, the role of belowground herbivores in plant ecology is not well understood. Conducting ...
dinosaur
Science; General science
Although dinosaurs are clearly reptiles, there has been a tendency in recent years to recast their biology and physiology as birdlike or mammallike. The scientific case for ...
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