Abstract: The transverse-electromagnetic (TEM) propagation constants for extremely low frequency (ELF) daytime propagation in the earth-ionosphere waveguide have been calculated for frequencies of ...

New tandem affinity purification (TAP) tags were fused to the carboxyl terminus of PSD‐95 using gene targeting in mice. Homozygous mice showed no detectable abnormalities in PSD‐95 expression, ...

Amateur history buffs can tap into the 'Historical imagery' feature on Google Earth and check out imagery dating back to the World War II era in some of the world’s largest cities.

Anna Skinner is a Newsweek senior reporter based in Indianapolis. Her focus is reporting on the climate, environment and weather but she also reports on other topics for the National News Team ...

The group of tech giants — Apple AAPL, Amazon AMZN, Microsoft MSFT, NVIDIA NVDA, Tesla TSLA, Alphabet GOOGL and Meta META — known as the "Magnificent Seven" has been battered by the tariff ...