"Star Trek" fans rejoiced Friday after Captain James Kirk of the starship Enterprise, or rather the actor who played him on the iconic sci-fi series, swapped tweets with a Canadian astronaut.
Internet
Jan 4, 2013
0
0
(Phys.org)—A pair of researchers, both with the University of Groningen in The Netherlands, has found that a certain songbird flies for 40 to 60 hours straight when it crosses the Sahara Desert as part of its diurnal migration ...
The Sahara wasn't always a desert. Trees and grasslands dominated the landscape from roughly 10,000 years ago to 5,000 years ago. Then, abruptly, the climate changed, and north Africa began to dry out.
Earth Sciences
Nov 11, 2013
4
0
Deep within the Sahara Desert lies one of the best-preserved craters on Earth. On Asteroid Day, the Copernicus Sentinel-2 mission takes us over the almost-perfectly circular Tenoumer Crater in Mauritania.
Planetary Sciences
Jun 30, 2022
0
17
Africa's migratory birds are threatened by changing weather patterns in the center and east of the continent that have depleted natural water systems and caused a devastating drought.
Plants & Animals
Aug 20, 2022
0
32
The Sahara Desert is the world's biggest source of dust and in 2020, it broke the June record for sending the largest and thickest dust cloud toward the Americas.
Earth Sciences
Dec 3, 2020
3
65
Beta-diversity serves as a crucial metric for gauging shifts in species composition over spatial or temporal scales, bridging the spectrum between localized (alpha) and broader regional (gamma) diversity. In the fields of ...
Plants & Animals
Oct 16, 2023
0
1
(AP) -- At this time of year, the Gadabeji Reserve should be refuge for the nomadic tribes who travel across a moonscape on the edge of the Sahara to graze their cattle. But the grass is meager after a drought killed off ...
Environment
May 28, 2010
0
0
An industrial consortium launched preparations on Monday for a possible future power grid under the Mediterranean that would carry solar energy from Africa to Europe.
Energy & Green Tech
Jul 5, 2010
4
0
Three ancient river systems, now buried, may have created viable routes for human migration across the Sahara to the Mediterranean region about 100,000 years ago, according to research published September 11 in the open access ...
Archaeology
Sep 11, 2013
0
0
