When viewed from the stern, a ship's turbulent wake appears as a narrow strip of bubble-whitened water converging toward the horizon. The wake does not reach a sharp point on the horizon but has a finite angular width, indicating that the Earth is not flat, but rather round. A simple ...
"There is evidence that the Russians may be trying to get round - the Russians are obviously going to try to get round - the sanctions on their gold, and we're taking steps to try to make sure that there's no leakage, no sale of bullion into markets arou...
To the editor: It was with great interest that we read the recent articles by Dear et al1 and Luft and Gross2 in the December edition of Heart. The problem of when to investigate and treat a patient with suspected arrhythmogenic right ventricular dysplasia (ARVD) is one of considerable ...
PhysicistDavid Bohm, — whoAlbert Einsteincalled “a kindred spirit,” and whose Ph.D. thesis—being top secret and classified— was awarded at theUniversity of California at Berkeleyby none other thanRobert Oppenheimer, tells us that our physical reality is a holographic projection of the "imp...
Located in a naturally deep and round karst depression in southwest China's Guizhou Province, FAST started formal operation in January 2020. It is believed to be the world's most sensitive radio telescope. Web Editor:MXJ
Investigating such segregation, especially in scenarios of decreasing food availability, can contribute to understanding how birds adapt to a fast-changing world. The aim of the present study was to determine whether year-round movements and survival varied between sexes within a resident Yellow-legged...
According to Forbes and Rigobon's (2001) definition, contagion is the change in the risk transmission mechanisms that occurs during a period of turmoil. Contagion can also be defined as a significant increase in the cross-asset or cross-border (cross-market) linkages after a shock. Therefore,...
A concern is that convicts were different from the rest of the population in ways that are correlated with our outcomes of interest. In particular, convicts may have been more prone to violence, crime, and risk taking and it could be the persistence of this convict ‘stain’ that we observe...
Using a unique dataset of administrative and survey data, we show that training new taxpayers leads to a large and significant improvement onthree compliance outcomes: the probability to file declarations, to report a zero-tax amount, and tax due. These results are robust to three estimation ...
Our findings demonstrate that one of the top predators in today’s oceans has used nursery areas for millions of years, highlighting their importance as essential habitats for shark survival in deep time.Similar content being viewed by others Year-round high abundances of the world’s smallest ...