The world's first female grandmaster was ready to deliver her regular Thursday-night lecture. Susan Polgar was perfumed, coiffed, made-up and dressed in a sleek black pantsuit, an elegant contrast to ...

ASCORBIC acid has been found to have a marked inhibitory effect on urease activity. With some preparations of the enzyme, the formation of ammonia from urea is completely inhibited by a concentration ...

How did scientists determine that DNA is the hereditary material? Groundbreaking experiments by Griffith, Avery, Hershey, and Chase disproved the notion that proteins were genetic material. Through a ...

We study the demand for government participation in China’s venture capital and private equity market. We conduct a large-scale, non-deceptive field experiment in collaboration with the leading ...

Urea is the dominant nitrogen compound in human urine and represents a valuable fertiliser resource if enzymatic hydrolysis can be controlled during storage and processing. One method to recover urea ...

About 10% of US employees now regularly work from home (WFH), but there are concerns this can lead to "shirking from home." We report the results of a WFH experiment at CTrip, a 16,000- employee, ...

The Molten Salt Reactor Experiment achieved its first self-sustaining nuclear reaction on June 1, 1965. Three years later, on Oct. 8, 1968, it became the first reactor ever to run on uranium-233. MSRE ...

In January 1944, a 17-year-old Navy seaman named Nathan Schnurman volunteered to test protective clothing for the Navy. Following orders, he donned a gas mask and special clothes and was escorted into ...

In this activity you will make batteries that can light up LED bulbs using different everyday fruits or potatoes. You will also determine how many of the same type of fruit you will need to light up ...