Plain caffeine only partially reproduces the effects of drinking a cup of coffee, activating areas of the brain that make you feel more alert but not the...
The sexual division of labor among human foraging populations has typically been recognized as involving males as hunters and females as gatherers. Recent...
Superradiance occurs when an atomic nucleus reaches a high excitation energy.
Mirror nuclei, such as oxygen-18 and neon-18, have the same number of protons...
Scientists from the Max Planck Institute for Brain Research and the Okinawa Institute of Science and Technology have studied camouflage in the common cuttlefish...
The giant planet 8 Ursae Minoris b (also known as Halla) orbits the core-helium-burning red giant star 8 Ursae Minoris (Baekdu). At a distance of only...
Planets form in dusty, gas-rich circumstellar disks around young stars, while at the same time, the planet formation process alters the physical and chemical...
Paleontologists say they collected numerous vertebrate specimens from the Late Jurassic Malone Formation in the Malone Mountains of western Texas, the...
Otodus megalodon was a gigantic megatooth shark that lived in the world’s oceans from 23 to 3.6 million years ago. It could grow to the enormous size...
Paleoanthropologists have found multiple cut marks on a 1.45-million-year-old (Early Pleistocene) hominin fossil found in the Koobi Fora Formation in the...
The vital role of a carbon molecule called methyl cation (CH3+) in interstellar carbon chemistry was predicted in the 1970s, but the unique capabilities...
Understanding how complex eukaryotic cells emerged from prokaryotic ancestors represents a major challenge in biology. A main point of contention in refining...
Seven rocky planets orbit the nearby dwarf star TRAPPIST-1, providing a unique opportunity to search for atmospheres on small planets outside the Solar...
Olympicetus thalassodon is one of several that are helping us understand the early history and diversification of modern dolphins, porpoises and other...
Planetary scientists using the Imaging Ultraviolet Spectrograph (IUVS) instrument onboard NASA’s Mars Atmosphere and Volatile EvolutioN (MAVEN) spacecraft...
Unlike most gamma-ray bursts, which are caused by exploding massive stars or the chance mergers of neutron stars, a long gamma-ray burst event dubbed GRB...
The center of the Milky Way Galaxy hosts Sagittarius A*, a supermassive black hole with a mass of about 4 million solar masses that is very quiescent....
New research shows how the nematode Caenorhabditis elegans, a long-used model organism, can use electric fields to ‘jump’ across Petri plates or onto...
The rusty patched bumblebee (Bombus affinis) is an important pollinator in North America and a federally listed endangered species. Putting together its...
Ancient horses such as Hyracotherium leporinum, a tiny horse relative from the Eocene of England, had feet like those of a modern tapir: four toes in front...
