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A unique window into "original antigenic sin"

A new study provides evidence on when OAS occurs and how it impacts seasonal vaccines and booster shots. The findings suggest that boosting against a new strain can be effective if the new strain is sufficiently different from the previous one.

Countries share good times using gps and the Internet

The Sistema Interamericano de Metrologia (SIM) network enables faster time comparisons between countries, allowing small nations to evaluate their measurements against world standards. National metrology institutes in member OAS nations participate in the network, which currently compares times between Brazil, Canada, Mexico, and the US.

DJI Air 3 (RC-N2)

DJI Air 3 (RC-N2) captures 4K mapping passes and environmental surveys with dual cameras, long flight time, and omnidirectional obstacle sensing.