27/06/2011

Recommendations proposed for increasing arboreta membership, sustaining programs

Public gardens and arboreta rely on members as stable sources of funding and to fill critical volunteer needs. Maturing membership demographics coupled with flat enrollment numbers presents multiple challenges for arboreta ...

Twin-head cucumber system reduces start-up costs

Greenhouse vegetable production in North America has more than doubled in the past 10 years. While heavy investments have been made in modern greenhouses, improved cultivation technologies are essential for producers to realize ...

Engineering blue-hued flowers

Flower color in plants is determined by pigments such as aurones, anthocyanins, and carotenoids. Research has found that the ultimate color displayed is dependent not only on the pigment present, but also on other factors, ...

Botswana population survey shows surprising drop in species numbers

A recently completed aerial survey of northern Botswana by Elephants Without Borders (EWB), through the support of Botswana's Dept. of Wildlife & National Parks, indicates that wildebeest, giraffes, kudu, lechwe, ostriches, ...

Fighting back from extinction, New Zealand right whale is returning home

After being hunted to local extinction more than a century ago and unable to remember their ancestral calving grounds, the southern right whales of mainland New Zealand are coming home.

NASA to host launch tweetup for Jupiter-bound mission

How much mileage do you get from sawdust?

As vacationers gas up to hit the road this summer, they could find themselves wondering about alternative fuels and their potential to ease the strain on pocketbooks and the environment.

Boy or girl? Understanding how red-tailed hawks migrate

(PhysOrg.com) -- As any resident of upstate New York will tell you, the red-tailed hawk is the most common hawk in North America. Often seen perched on light and telephone poles along major highways, this majestic animal ...

Air quality sensors take a ride on Swiss city buses

Rather than installing stations on fixed towers, why not use mobile sensors spread out over the whole city to get better air quality measurements? OpenSense, a project run by four laboratories at EPFL and one at ETH Zurich, ...

Juno blanket check

(PhysOrg.com) -- As the Juno spacecraft is elevated by a rotation fixture, a technician at Astrotech's payload processing facility in Titusville, Fla., examines the installation of blankets on the aft deck. The image was ...