Liquid Biopsy Has Mixed Performance for Predicting Colon Cancer Outcomes
SAN FRANCISCO — In separate studies, liquid biopsy produced mixed results for guiding colon cancer treatment. Adjuvant chemotherapy guided by postoperative circulating tumor (ct) DNA did not lead to higher rates of DNA clearance as compared with patients who did not get chemotherapy. However, ctDNA did show promise for identifying patients with molecular residual disease […]
Trial: Cleaner Cookstove Fuel Not Enough to Improve Infant Health
Swapping out liquid petroleum (LP) for biomass cooking fuel during pregnancy made little difference for infant growth or pneumonia rates, two analyses of a randomized controlled trial in low-resource settings revealed. The cooking fuel intervention successfully reduced exposure to household air pollution as measured by fine particles with an aerodynamic diameter of ≤2.5 μm (PM2.5) […]
How did Earth avoid a Mars-like fate? Ancient rocks hold clues: New paleomagnetic research suggests Earth’s solid inner core formed 550 million years ago and restored our planet’s magnetic field
Approximately 1,800 miles beneath our feet, swirling liquid iron in the Earth’s outer core generates our planet’s protective magnetic field. This magnetic field is invisible but is vital for life on Earth’s surface because it shields the planet from solar wind — streams of radiation from the sun. About 565 million years ago, however, the […]
Liquid fuels from carbon dioxide: Electrocatalyst converts CO2 into multicarbon products
A new electrocatalyst called a-CuTi@Cu converts carbon dioxide (CO2 ) into liquid fuels. As reported by a team of Chinese researchers in the journal Angewandte Chemie, active copper centered on an amorphous copper/titanium alloy produces ethanol, acetone, and n-butanol with high efficiency. Most of our global energy demands are still being met by burning fossil […]