01/09/2021

Simple economic method to measure soil health in dryland farming

USDA, Agricultural Research Service's (ARS) Northern Plains Agricultural Research Laboratory, in collaboration with the Soil Health Institute in N.C., evaluated the measurement of carbon dioxide flush—a rapid, reliable, ...

What's the point of homework?

Homework hasn't changed much in the past few decades. Most children are still sent home with about an hour's worth of homework each day, mostly practicing what they were taught in class.

Light-induced shape shifting of MXenes

Ultrafast laser spectroscopy allows to observe the motion of atoms at their natural time scales in the range of femtoseconds, the millionth of a billionth of a second. Electron microscopy, on the other hand, provides atomic ...

Distance learning skills are learnable

In the last 18 months, the coronavirus pandemic has made distance learning somewhat of a norm in almost all education levels. In the national surveys on students, the respondents often mention lack of motivation. During distance ...

Using DNA to search for the true origins of imported honey

Have you ever wondered where the honey you add to your morning tea and drizzle on your desserts or oatmeal comes from (besides bees)? The easy answer would be to check the label, which typically offers the country of origin ...

Sieving ions with a polymer membrane

Ion-sieving polymer membranes can perform with exquisite precision by gaining unprecedented control over pore size and uniformity within the membranes, KAUST researchers have shown.

page 7 from 10