A tiny region at the root tip has been found to be responsible for orchestrating the growth and development of the complex network of vascular tissues that transport sugars through plant roots.
Plants & Animals
Dec 23, 2021
0
150
One of the most promising new kinds of battery to power electric cars is called a lithium-air battery, which could store up to four times as much energy per pound as today's best lithium-ion batteries. But progress has been ...
Nanophysics
May 13, 2013
1
0
In the early 1990s, overfishing led to the collapse of one of the most bountiful cod fisheries in the world, off the coast of Newfoundland. Twenty years later, the cod population still has not recovered, dramatically affecting ...
Ecology
Jun 1, 2012
21
0
(PhysOrg.com) -- Two recent studies have found that environmental changes can bring previously stable forests and grasslands to tipping points that produce sudden large-scale and sometimes irreversible changes in which forest ...
Using a technique known as thermochemical nanolithography (TCNL), researchers have developed a new way to fabricate nanometer-scale ferroelectric structures directly on flexible plastic substrates that would be unable to ...
Nanophysics
Jul 18, 2011
1
0
(PhysOrg.com) -- There are approximately 40,000 species of spiders in the world, all of which have been thought to be strict predators that feed on insects or other animals. Now, scientists have found that a small Central ...
Plants & Animals
Oct 12, 2009
1
0
(PhysOrg.com) -- New observations solve longstanding mystery of tipped rotation. In addition to shedding light on how binary stars form, the explanation knocks down a possible challenge to Einstein's theory of relativity.
Astronomy
Sep 17, 2009
2
0
(PhysOrg.com) -- IBM scientists in collaboration with the University of Regensburg, Germany, and Utrecht University, Netherlands, for the first time demonstrated the ability to measure the charge state of individual atoms ...
Nanophysics
Jun 23, 2009
0
0
An analysis of the hierarchy of tipping points suggests that during the last 66 million years, two events set the scene for further climate tipping and for the evolution of the climate system in particular. If the anthropogenic ...
Earth Sciences
Aug 9, 2023
2
78
The Greenland Ice Sheet covers 1.7 million square kilometers (660,200 square miles) in the Arctic. If it melts entirely, global sea level would rise about 7 meters (23 feet), but scientists aren't sure how quickly the ice ...
Earth Sciences
Mar 27, 2023
41
737
