Old-growth tree stumps tell the story of fire in the upper Midwest
Researchers have constructed a 226-year history of fire in southern Illinois by looking at fire scars in tree stumps. Their study, the most in-depth fire history reported for the upper Midwest, reveals that ...
Rainwater harvest study finds roofing material affects water quality
For the past few years, one of the most common questions facing the Texas Water Development Board (TWDB) hasn't been over contentious water rights or proposed water projects; it's been from homeowners wanting to know what ...
Drought rattles farmers in eastern China
Yu Ruicheng's weathered face creases with worry as she stands on her dry wheat field in eastern China, where a record drought is threatening to send soaring global food prices even higher.
Nanowires exhibit giant piezoelectricity
Gallium nitride (GaN) and zinc oxide (ZnO) are among the most technologically relevant semiconducting materials. Gallium nitride is ubiquitous today in optoelectronic elements such as blue lasers (hence the blue-ray disc) ...
Climate flux matched Europe's social rise and fall
Ancient tree rings show links between climate change and major events in human history, like migrations, plagues and the rise and fall of empires, said a study this week in the journal Science.
Hybrid energy harvesting device developed for generating electricity from heat and light
Fujitsu Laboratories today announced that it has developed a new hybrid energy harvesting device that generates electricity from either heat or light. With this single device, it is possible to derive energy ...
Time is ripe for wine grapes
CSIRO researchers have discovered a new method growers could use to control when their grapes ripen, without affecting wine quality.
Why is the harvest moon so big and orange?
Ever wonder why the moon sometimes looks so big and orange? Professor Emeritus John Percy of the Department of Astronomy and Astrophysics explains the mystery behind the harvest moon:
BASF says it has uncovered cause of Swedish potato mix-up
Chemical giant BASF said Friday it had found the cause of a co-mingling of seeds from two strains of GM potatoes in Sweden and pledged to take steps against a recurrence.
Rain shortfall triggers first M-PESA drought insurance payouts for Kenyan farmers
Over 100 farmers in Embu received insurance payouts via M-PESA today, marking the first payouts issued through the mobile phone payment system M-PESA by Kilimo Salama, an innovative micro-insurance program that protects farmers' ...
Winter drought stress can delay flowering, prevent fruit loss in orange crops
Successful mechanical harvesting of perennial fruit crops requires efficient, economical harvesting systems that do not reduce trees' production life or diminish fruit quality. Most of the world's citrus is ...
Climate: Risks loom for China: study
Climate change could reduce key harvests in China by a fifth if the gloomiest scenarios prove true, according to a study on Wednesday.
Quick jolt of energy could improve energy harvesting by a factor of 40
Nanogenerators for energy harvesting technology
The journal, Nano Letters, recently published an article highlighting the fascinating nanogenerators developed by Dr. Yong Shi, a professor in the Mechanical Engineering Department at Stevens Institute of Technology. The pa ...