Abstract: Empirical formulas are proposed for the superdirectivities of broadside linear and square arrays. The formulas are derived based on a large amount of numerical results of optimum directivity ...

Swollen supraclavicular lymph nodes may occur as a reaction to infection or due to metastatic cancer. This type of swelling typically occurs just above a person’s collarbone. Swelling in the ...

Span, a California-based startup, has developed small, fractional data centers, or "nodes," called XFRA units. The idea is to take advantage of unused electrical capacity on local grids, which the ...

Four races into Formula One’s new era and the peak of electrical power’s influence on the sport may already be in the rear-view mirror, motorsport officials say. The Miami Grand Prix was the first ...

Alex Zanardi, the Italian Formula One driver who became a Paralympic cycling champion after losing both legs in an accident, has died aged 59, his family announced. Zanardi, one of his country’s most ...

The U.S. Food and Drug Administration announced that an examination into chemical contaminants in infant formula found "an overwhelming majority of samples had undetectable or very low levels of ...

The Food and Drug Administration has tested over 300 infant formula samples for heavy metals and other toxic chemicals, and says that its results, released on Wednesday, April 29, show that the U.S.

Celebrate Pi Day and read about how this number pops up across math and science on our special Pi Day page. For more than two millennia, mathematicians have produced a growing heap of pi equations in ...

As one of the most heavily regulated foods on the market, infant formula is subject to strict nutrition guidelines and undergoes rigorous safety and quality testing. But CR’s tests of infant formula ...

Removing lymph nodes during cancer surgery has saved countless lives in many tumour types. Yet recent research is challenging parts of this long-standing practice. Imagine your body’s immune defences ...