Using high-resolution spectroscopic observations from the High-Resolution Echelle Spectrometer (HIRES) on the 10-m Keck I telescope at the W. M. Keck Observatory,...
Groundwater flow from land to sea could have important coastal impacts but it is usually unrecognized. Delicate reefs may be particularly sensitive to...
Enceladus, an ocean-harboring moon of Saturn, erupts a plume that contains gases and frozen sea spray into space. By understanding the composition of the...
Palaeoloxodon is an extinct genus of straight-tusked elephants that lived throughout Europe and Asia during the Pleistocene and Holocene. It migrated out...
In 1054 CE, Chinese sky watchers witnessed the sudden appearance of a ‘new star’ in the heavens, which they recorded as six times brighter than Venus,...
African gray parrots (Psittacus erithacus) voluntarily and spontaneously help familiar parrots to achieve a goal, without obvious immediate benefit to...
The 70 km- (43.5-mile) diameter Yarrabubba impact structure in Western Australia is approximately 2.23 billion years old, according to new research led...
As material spirals towards a black hole, it is heated up and emits X-rays that, in turn, echo and reverberate as they interact with nearby gas. These...
Astronomers using NSF’s Karl G. Jansky Very Large Array (VLA) at the National Radio Astronomy Observatory have observed 111 nearby dwarf galaxies within...
In a series of experiments, a duo of researchers from the Department of Zoology at Stockholm University has observed eight-week-old wolf puppies spontaneously...
The High Resolution Stereo Camera (HRSC) onboard ESA’s Mars Express spacecraft has captured a new image of the icy cap at the Martian north pole, complete...
At the center of our Milky Way Galaxy lurks Sagittarius A*, a supermassive black hole that is four million times the mass of the Sun. Recently, two unusual...
Astrophysicists have very little idea of what dark matter is and they have yet to detect a dark matter particle. But they do know that the gravity of clumps...
Shell fishing was a common activity of Neanderthals, according to new research led by University of Colorado, Boulder archaeologists.
Homo neanderthalensis...
An international team of scientists has sequenced the genome of the giant squid (Architeuthis dux), the species which has inspired generations to tell...
Scientists at the Stanford University School of Medicine have found that men born in the United States in the early 19th century had temperatures 0.59...
Foods high in sucrose, or table sugar, influence brain reward circuitry in ways similar to those observed when addictive drugs are consumed, according...
At the end of its mission in 2017, NASA’s Cassini spacecraft performed a set of ‘Grand Finale’ orbits bringing it closer to Saturn than ever before....
![Winterdahl et al investigated the effects of sucrose using positron-emission tomography (PET) imaging with [11C]carfentanil (μ-opioid receptor agonist) and [11C]raclopride (dopamine D2/3 receptor antagonist) in seven female anesthetized Göttingen minipigs. Image credit: Winterdahl et al, doi: 10.1038/s41598-019-53430-9.](https://cdn.sci.news/images/2020/01/image_8019-Sugar-Brain-195x110.jpg)
