Its director, Lev Sandakhchiev, says his main worry is therefore not Vektor's survival but preserving its strength in basic science.

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For the community of plant scientists, and its supporters in government and the wider world of science, this is a vital test of strength.

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To make the machine commercial strength and add depth to his materials science knowledge, he brought in Weinberg, his onetime chemical engineering professor at the California Institute of Technology.

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The science is increasingly clear: Older adults need both strength training, to help replenish and maintain the muscle mass and (for women especially) the bone density our bodies lose each year as we age, and cardio to help guard against the risks of clogged arteries in the heart and brain.

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"The Iowa caucuses are a matter of organizational strength, " said Dennis Goldford, professor of political science at Drake University.

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"By nature, estimating mortality in emergencies is an imprecise science, but given the quantity and quality of data that were available, we are confident in the strength of the study, " said Fews Net official Chris Hillbruner.

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On the strength of Erector's success, Gilbert branched out into microscopes, chemistry sets and a nuclear science kit containing a small sample of radioactive material.

FORBES: Life

On the strength of Erector's success, Gilbert branched out into microscopes, chemistry sets and a nuclear science kit, which contained a small sample of radioactive material.

FORBES: Global Life