Extreme dry conditions contributed to the decline of the ancient South Arabian kingdom of Himyar.
Combined with political unrest and war, the droughts left behind a region in disarray, thereby creating the conditions on the Arabian peninsula that…
Author: admin
-
Telescope reveals images of supermassive black hole at centre of galaxy
Astronomers have revealed images of a supermassive black hole at the centre of the Milky Way galaxy using the Event Horizon Telescope (EHT), a telescope array consisting of a global network of radio telescopes.
The researchers had previously…
Continue Reading
-
Neanderthals of the north
Were Neanderthals really as well adapted to a life in the cold as previously assumed, or did they prefer more temperate environmental conditions during the last Ice Age?
To answer these questions, it is worthwhile to examine Neanderthal sites on…
Continue Reading
-
Ancient oak trees to shed light on the climate of the past 4500 years
Researchers will soon be able to reconstruct the climate of north-west Europe including the UK over the last 4500 years, and to date wooden buildings and objects more accurately, by analysing the chemistry of ancient oak trees, through a new…
Continue Reading
-
Marine mollusc shells reveal how prehistoric humans adapted to intense climate change
Current global climatic warming is having, and will continue to have, widespread consequences for human history, in the same way that environmental fluctuations had significant consequences for human populations in the past.
The so-called ‘8.2…
Continue Reading
-
Why did the Vikings abandon Greenland?
A study led by the University of Massachusetts Amherst and published recently in Science Advances, upends the previously accepted theory on why the Vikings abandoned Greenland.
Greenland, or Grœnland in Old Norse, was settled by Norwegian and…
Continue Reading
-
Researchers open lunar time capsule from Apollo 17 mission
Scientists from NASA have opened a lunar time capsule from the Apollo 17 mission conducted in 1972.
The Apollo mission was the final mission of NASA’s Apollo program, in which Commander Eugene Cernan and Lunar Module Pilot Harrison Schmitt…
Continue Reading
-
Scientists solve solar secret
The further we move away from a heat source, the cooler the air gets. Bizarrely, the same can’t be said for the Sun, but University of Otago scientists may have just explained a key part of why.
Study lead Dr Jonathan Squire, of the Department…
Continue Reading
-
Acoustic remote sensing reveals sunken Roman city of Baia
NORBIT Subsea and 2BControl, in collaboration with the Institute of Heritage Science of the Italian National Research Council, have conducted a study of the partially submerged Roman city of Baia in the Gulf of Naples, Italy.
Baia was a…
Continue Reading
-
a black hole spins on its side
Researchers from the University of Turku, Finland, found that the axis of rotation of a black hole in a binary system is tilted more than 40 degrees relative to the axis of stellar orbit. The finding challenges current theoretical models of black…
Continue Reading