A full-blown model of the high-gain antenna on NASA’s Europa Clipper spacecraft is going through testing in the Speculative Test Variety at NASA’s Langley Proving ground in Hampton, Virginia.... Read more »
Scanning electron micrograph of Mycobacterium tuberculosis germs, which trigger tuberculosis.National Institute of Allergic reaction and Transmittable Illness, National Institutes of Health. Vaccinations have actually started in a Stage 1... Read more »