DNA nanodevices reveal acidic nanolayer on lysosome surfaces in live cells

Lysosomes are membrane-bound organelles whose acidic lumen (pH 4.5–5.0) is required for degradation. This luminal acidity is ...
IEEE

Mixing Uniformity Measurement of Solidified/Modified Soil with Dielectric Lens-Coupled Circular Waveguide Microwave Sensor

Abstract: The microwave method can measure the mixing uniformity of solidified/modified soil based on the variation of transmittance with dielectric constant of circular waveguide microwave sensors.
IEEE

A Novel Approach for In-Orbit Satellite Antenna Pattern Measurement Using a Small Satellite Flying in Double-Cross-Helix Formation

Abstract: The article proposes a novel approach for in-orbit satellite antenna pattern measurement by means of a dedicated small measurement satellite (MES) that flies in Double-Cross-Helix formation.
The New York Times

Senate Advances Measure to Curb Trump’s Use of Force in Venezuela

A handful of Republicans joined Democrats to allow the measure to move forward, reflecting concerns in both parties about the administration’s strategy. By Robert Jimison and Megan Mineiro Reporting ...