14/12/2016

Atacama Desert may have harbored lakes, wetlands

The arid Atacama Desert, thought to be a barrier to early South American settlers, may have held lakes large enough to sustain small human populations, according to new research presented here today. The lakes' presence challenges ...

Weak-value-based metrology surpasses classical limit

(Phys.org)—When measuring very small physical effects, such as the deflection of a light beam, the very act of measuring can affect the measurement outcome. Now in a new study, physicists have experimentally demonstrated ...

Predicting extinction—with the help of a Yule tree

At this time of year, the words "Yule tree" may conjure images of brightly decorated balsam firs. But for Lea Popovic, an associate professor of mathematics and statistics in the Faculty of Arts and Science, a Yule tree is ...

page 5 from 12