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- Tech
Fluid lens flows into focus
By controlling a boundary between oil and water, researchers have created a liquid lens that can quickly alter its shape in response to electric signals.
- Health & Medicine
Papillomavirus infections spike in sunny months
Getting sun could increase vulnerability to a sexually transmitted virus that may lead to cervical cancer.
- Health & Medicine
Exercise after breast cancer extends life
After a woman survives an initial bout with breast cancer, being physically active improves her odds of beating the disease over the long term.
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In this article, the photo comparison of the dam site is deceptive because the two photos of the same spot appear to have been taken during different seasons.
