[edan-image:id=siris_sic_12723,size=300,left]The National Zoological Park's Conservation and Research Center was established in 1975 on 3,100 acres at a former US Army Cavalry Remount Station in Front Royal, Virginia, to encourage development of all aspects of animal sciences. Renamed the Smithsonian Conservation Biology Institute in 2010, the institute’s mission is the conservation of biodiversity through scientific research, professional training, and environmental education. Dr. Theodore H.
Thai Navy Seals raced to train 12 young boys and their football coach how to scuba dive on Wednesday ahead of monsoon rains that could force an emergency evacuation.
Widespread, high levels of tree mortality, termed forest die-off, associated with drought and rising temperatures, are disrupting forests worldwide. Drought will likely become more frequent with climate change, but even without more frequent drought, higher temperatures can exacerbate tree water stress. The temperature sensitivity of drought-induced mortality of tree species has been evaluated experimentally for only single-step changes in temperature (ambient compared to ambient + increase) rather than as a response surface (multiple levels of temperature increase), which constrains our ability to relate changes in the driver with the biological response. Here we show that time-to-mortality during drought for seedlings of two western United States tree species, Pinus edulis (Engelm.) and Pinus ponderosa (Douglas ex C. Lawson), declined in continuous proportion with increasing temperature spanning a 7.7 °C increase. Although P. edulis outlived P. ponderosa at all temperatures, both species had similar relative declines in time-to-mortality as temperature increased (5.2% per °C for P. edulis; 5.8% per °C for P. ponderosa). When combined with the non-linear frequency distribution of drought duration—many more short droughts than long droughts—these findings point to a progressive increase in mortality events with global change due to warming alone and independent of additional changes in future drought frequency distributions. As such, dire future forest recruitment patterns are projected assuming the calculated 7–9 seedling mortality events per species by 2100 under business-as-usual warming occur, congruent with additional vulnerability predicted for adult trees from stressors like pathogens and pests. Our progressive projection for increased mortality events was driven primarily by the non-linear shape of the drought duration frequency distribution, a common climate feature of drought-affected regions. These results illustrate profound benefits for reducing emissions of carbon to the atmosphere from anthropogenic sources and slowing warming as rapidly as possible to maximize forest persistence.
Large casinos, hotels, shopping malls and markets flourish in Southeast Asia’s Golden Triangle — the area where Thailand, Laos, and Myanmar converge. These gambling halls and markets, known to be centers of prostitution and drug trafficking, have now emerged as hubs of wildlife trade. From tiger skin and bones to skulls, forelegs and gall bladder […]
Zero-G’s Weightless Lab research program provides unprecedented access to space environments so clients may achieve technological advances in biomedical and pharmaceutical research, fluid and fundamental physics, materials science, aerospace engineering, space exploration hardware and human space habitation, at a price that will fit any budget.
Within the next three years, five large power plants will be operating within a 15-mile radius of Brandywine, Maryland. While some area residents welcome the tax revenue and jobs the plants bring, others worry about the lasting consequences this growing cluster of plants could have on the environment, their quality of life and their health.
/PRNewswire/ -- RealNetworks, Inc. (NASDAQ: RNWK), a leader in digital media software and services, today announced the free and immediate availability of...
Many children with autism find it hard to decipher other people’s facial expressions. An interactive system that uses Google Glass may help
Predicting physical features from genetic data certainly has its limitations, but it is advancing. What does this mean for our privacy?
Sylvia Acevedo grew up as a Girl Scout and was named CEO of the organization in 2017 after working as a rocket scientist for NASA and engineer for IBM. She introduced new Girl Scout badges, including for programming robots and cybersecurity mastery.
A new survey of baobab trees in Africa finds that many of the oldest have died or significantly deteriorated in the last decade. Scientists say climate change and human intervention could be culprits.
With the help of local scientists, the unincorporated community of Brandywine plans to collect its own air quality data to test the impacts of new power plants.
The 2018 RobotArt competition fielded more than 100 submissions entered by 19 teams from all over the world
The FTC alleges that VTech collected “personal information of hundreds of thousands of children” through its KidiConnect mobile app “without providing direct notice and obtaining their parent’s consent.”
Foam insulation manufacturers were shockingly open about CFC-11 use.
Get an inside look at how the machine is maintained, and how its cutter tools up front are replaced in a subterranean hyperbaric chamber.
Within the next three years, five large power plants will be operating within a 15-mile radius of Brandywine, Maryland. While some area residents welcome the tax revenue and jobs the plants bring, others worry about the lasting consequences this growing cluster of plants could have on the environment, their quality of life and their health.
As an audience cheers, three teenage girls cross the stage in a line, to the high-energy beat of The Chainsmokers' "Don't Let Me Down." They're dressed in head-to-toe black, but each of their shirts is decorated with bright bulbs, flashing and blinking in various colors as they move.
Argyrios Papathanasopoulos managed to come first defying the -30 temperatures
Uncharted Play, a New York City-based startup, enables children in developing countries to build reserves of energy through play
Georgia Tech spin-off SoftWear Automation is developing ultrafast sewing robots that could upend the clothing industry
Celebrations throughout next year will aim to boost public awareness of chemistry
Researchers from the University of Cambridge hope their findings could help in the development of new ways to treat hypoxia – lack of oxygen – in patients.
Figure skating challenges the brain as well as the body.
The OSIRIS-REx asteroid-sampling probe remains on target for its December rendezvous with a big, potentially dangerous space rock.
The majority black town of Brandywine could see five polluting power plants operating within 15 miles, but residents are fighting back.
Ancient and rare blue crystals from the dawn of the solar system help confirm that the newborn sun was violently active, a new study reports.
Geologists classify the last 4,200 years as being a distinct age in the story of our planet.
Halfway across the world, a goat is shivering. You know this because you've hooked her up to an accelerometer, which can measure tiny changes in her body...
