Posts Tagged ‘Iowa State University’
Are videogames good or bad … or both?
IOWA STATE (US) —Videogames are powerful learning tools but the lessons—positive or negative—depend on the game, according to a new study. Continue…
Friday, December 30, 2011 10:57 - 3 Comments
Science & Technology - Dec 23, 2011 10:30 - 1 Comment
Two new planets survive red-giant blast
IOWA STATE (US) — Astronomers have discovered two Earth-sized planets that survived getting caught in the red-giant expansion of their host star. (more…)
Science & Technology - Dec 20, 2011 12:23 - 2 Comments
How to build a better wind farm
IOWA STATE (US) — A turbine only ten inches high is helping researchers understand how hills, valleys, and tower placement can affect the productivity of onshore wind farms. (more…)
Science & Technology - Dec 2, 2011 11:39 - 0 Comments
Like humans, chimps share to be social
IOWA STATE (US) — Humans aren’t the only ones who recognize the benefits of sharing. New research finds male chimps share plants and hunting tools with females, perhaps as a strategy for future mating. (more…)
Health & Medicine - Nov 11, 2011 15:57 - 1 Comment
Free school lunches linked to lower obesity
IOWA STATE (US) — Free and reduced-price meals provided through the federally funded National School Lunch Program improve the health of more than 31 million children living in low-income households. (more…)
Science & Technology - Oct 12, 2011 10:34 - 0 Comments
Gamma rays from pulsar defy explanation
MCGILL U. (CAN) — Astrophysicists have detected pulsed gamma-ray emission from the Crab pulsar at energies far beyond what current theoretical models of pulsars can explain. (more…)
Science & Technology - Oct 4, 2011 9:49 - 0 Comments
Cheap sugars could be biofuel bargain
IOWA STATE (US) — Engineers have developed a way to make low-cost sugars from biomass, a discovery that has the potential to reduce the cost of producing biofuels. (more…)
Earth & Environment - Sep 27, 2011 11:14 - 0 Comments
Biomass link to plant diversity questioned
IOWA STATE (US) — New research calls into question a decades-old theory about the relationship between how much biomass plant species produce and how many species can co-exist. (more…)
Society & Culture - Sep 22, 2011 10:21 - 1 Comment
To ID the perp, one photo at a time
IOWA STATE U. (US) — Sequential photo lineups—those in which crime witnesses view one suspect photograph at a time—produce fewer mistaken identifications than simultaneous photo lineups. (more…)
Society & Culture - Sep 16, 2011 12:16 - 7 Comments
Super food: Shoppers will pay 25% more
IOWA STATE (US) — Consumers want access to food that has been genetically modified to be healthier and are willing to pay significantly more for it, according to a new study. (more…)
Earth & Environment - Aug 11, 2011 11:53 - 3 Comments
In grasslands, every species matters
IOWA STATE (US) — A new analysis of plants in grassland ecosystems around the world suggests most of those plant species are important. (more…)
Earth & Environment - Jul 27, 2011 16:22 - 0 Comments
Cover crops don’t compete with corn
IOWA STATE (US) — Using a perennial cover crop on corn fields benefits soil and water quality, and may even increase farm profits, according to a new study that finds farms that do so can yield 200 bushels of corn per acre. (more…)
Society & Culture - Jun 3, 2011 12:34 - 0 Comments
Hispanics keeping rural towns afloat
IOWA STATE (US) — Small towns in the Midwest are being saved from growing ever smaller in part because of an influx of Hispanics in the last 20 years. (more…)
Science & Technology - May 31, 2011 15:51 - 0 Comments
How carbon-14 lives long and prospers
IOWA STATE (US) — Thirty million process hours on the Jaguar supercomputer was enough to explain carbon-14′s long, slow decay and how it is able to accurately date relics as far back as 60,000 years. (more…)
Earth & Environment - May 9, 2011 12:04 - 1 Comment
Farmers need to mix it up
IOWA STATE (US) — To reduce financial risk and improve sustainability, U.S. farmers need to plant a wider variety of crops and make better use of marginal land. (more…)
Top Stories - May 9, 2011 11:39 - 1 Comment
Cheaply made in the USA
IOWA STATE (US) — The U.S. apparel industry’s attempt to satisfy demand for cheap clothes and compete with inexpensive imports has led to diminishing returns on market share—both at home and abroad in Japan. (more…)
Science & Technology - May 3, 2011 10:28 - 0 Comments
New tricks from old polymers
IOWA STATE (US) — Organic solar cells, light-emitting diodes, and thin-film transistors could be enhanced by polymers that mimic the properties of traditional inorganic semiconductors. (more…)
Science & Technology - May 2, 2011 13:29 - 1 Comment
152,000 cousins in fly’s ‘family bush’
IOWA STATE (US) —Talk about extended families: Houseflies have more than 152,000 relatives—and those are just the ones that researchers know about. (more…)
Earth & Environment - Apr 29, 2011 13:46 - 0 Comments
Self-help eases stressed out plants
IOWA STATE (US) — Plants are able to tolerate stress because of a built-in alarm system. In the wild, the move is a survival tactic, but for agricultural crops, the self-defense move is counterproductive, reducing yield. (more…)
