The researchers say the toolmakers at Jebel Faya may have reached the Arabian Peninsula at a time when changes in the climate were transforming it from arid desert into a grassland habitat with lakes and rivers.
It's a smattering of small wood and mud huts, about an hour's drive from Tete in a harsh arid environment.
Semi-arid California would seem a logical place to regulate water efficiency.
Bent on suicide, a man repeatedly drives along a winding road on the outskirts of Tehran, searching for an accomplice among laborers at arid construction sites, finally making a pact with a man who insists on speaking stirringly of the world's beauty.
Researchers from Eindhoven University of Technology and Hong Kong Polytechnic have leveraged those temperature swings to help solve the arid region hydration conundrum with a cotton material that absorbs water straight from the surrounding air.
"This is a crucial piece of information about an area that is now hyper arid but in the past must have been a lush river valley, " he explains.
One area of concern is the Sahel, a vast semi-arid area south of the Sahara desert.
My recollection is that plaza was a pretty exposed, arid place, distinguished by an absence of trees, not their luster.
In arid regions, in places feeling a need for the lack of water, underground water resources are often the only source of fresh water.
For guaranteed encounters and a wonderful introduction to the arid zone take advantage of the beautifully executed Alice Springs Desert Park.
Inside a three-level building there would be a vast oasis dedicated to arid climate - or "Blade Runner territory" - and beneath would be chambers with displays whose designers will include musician Peter Gabriel and children's author Philip Pullman.
The drive was unexpectedly beautiful: a lonely road meandered through the hills, the scenery a juxtaposition of wild growth and arid land.
Groundwater is a major component of water resources in arid regions.
Once Amman's urban sprawl falls away, replaced by rolling arid fields and olive groves, it is only a short drive to Madaba where the King's Highway begins.
However, this seemingly dry and arid region in southern Israel is now home to a burgeoning wine route, thanks to a group of pioneering 21st-century farmers and their use of computerized drip irrigation.
Protected by uninhabited forests to the north, the Rockies in the west and arid country in the south, authorities set up a 323-mile long, 18-mile wide buffer zone along the other place rats might enter, Alberta's eastern border with Saskatchewan.
WSJ: In Alberta, Citizens Smell a Rat After Long-Banned Rodents Appear
It creates a dry mist that harkens back to the arid dust of South African townships.
The photographs clearly show an arid region being slowly brought back to life, over a period of 30 years.
The Arabian Peninsula may be known for its arid deserts, but it's also home to a fertile oasis of economic growth.
Susan White Mathis, a native of Atlanta, had long been in search of a place to build an African retreat, and after an extensive search, she settled on Madikwe Game Reserve, a 185, 000-acre tract of arid bushveld located an hour by light aircraft northwest of Johannesburg.
The programme, which provides a UNESCO Global Network on Water and Development Information for Arid Lands was established in 2004 to strengthen the global capacity for management of water resources in arid and semi-arid regions.
The new images -- taken over several years -- reveal the channels which were carved out by flooding over an estimated 500 million year period -- a time when Mars was thought to be cold and arid.
ENGADGET: Alt-week 3.9.13: Sunstones, knotted vortices and a zero-g robot
Indeed, images of the dry, parched, arid, almost certainly lifeless surface of another planet lit up Twitter like a Christmas tree.
FORBES: Beneath a Parched Surface, the Great Midwest Drought of 2012 Doesn't Go Social
The last significant mountains before the Sahara are the arid, pink-and-ochre-coloured chain of the Anti Atlas, and beneath the arid, jagged mass of its two major peaks lie lush irrigated valleys and a string of oases.
There is also a network of perennial waterholes that draw large herds of game from the arid savannah grassland and thorn scrub.
Ever since a spaceship supposedly crashed outside the town of Roswell in 1947, this arid landscape has been the rumoured home of all kinds of alien life.
He points to the success of micro-irrigation in semi-arid Gujarat, whose agriculture has grown at an average of 9.6% a year since the turn of the century, partly thanks to the creation of 500, 000 small ponds, dams and suchlike.
The Bank claims that exploiting oil resources is one of the few development options open to Chad, where 80% of the people live on less than a dollar a day, and 90% of the country is desert or semi-arid.
And just outside the city is where, a mere couple decades ago, a handful of winemakers decided to ignore most local conventional and institutional wisdom, and plant this cool, arid, rugged region with Pinot Noir vines.
应用推荐