Comparing photosynthetic and photovoltaic efficiencies is not a simple issue. Although both
processes harvest the energy in sunlight, they operate in distinctly different ways and …

The breadth of structure and function displayed by the molecules of biology is remarkable.
Considering that there are only three major biopolymer backbones (proteins, ribonucleic …

Bioremediation is a promising technology for responding to marine oil spills. A majority of
molecules in crude oils and refined products are biodegradable, and they will eventually …

Background Once-daily injections of parathyroid hormone or its amino-terminal fragments
increase bone formation and bone mass without causing hypercalcemia, but their effects on …

Background Vitamin D deficiency is a major risk factor for bone loss and fracture. Although
hypovitaminosis D has been detected frequently in elderly and housebound people, the …

The process of technological change in pollution control is broken into three basic steps:
innovation, diffusion, and optimal agency response. Firm incentives to promote these steps …

Indian mustard (Brassica juncea L.), a high biomass crop plant, accumulated substantial
amounts of cadmium, with bioaccumulation coefficients (concentration of Cd in dry plant …

The world's crop productivity is stagnating whereas population growth, rising affluence, and
mandates for biofuels put increasing demands on agriculture. Meanwhile, demand for …

The effectiveness of bioremediation for oil spills has been difficult to establish on dynamic,
heterogeneous marine shorelines. A new interpretative technique used following the 1989 …

Denosumab is a fully human monoclonal antibody that inhibits bone resorption by
neutralizing RANKL, a key mediator of osteoclast formation, function, and survival. This …