How did human intelligence evolve? Anthropologists have studied this question for decades by looking at tools found in archaeological digs, evidence of the use of fire and so on, and changes in brain size measured from fossil ...
Archaeology
Jan 27, 2020
0
180
In June of 2020, Stephen Gosser, a self-described "diehard birder," was out in the woods of Western Pennsylvania when he thought he heard the song of the elusive and strikingly beautiful scarlet tanager. The blood-red bird ...
Plants & Animals
Oct 5, 2022
0
1813
Spiciness, or its perception, occurs in most cuisines worldwide. The chili pepper of the genus Capsicum (family Solanaceae) is one of the world's most widely used spices, found in thousands of recipes and sometimes eaten ...
Plants & Animals
Nov 4, 2022
0
55
After a day hiking in the forest, the last thing a person wants to discover is a tick burrowing into their skin. Days after plucking off the bloodsucking insect, the hiker might develop a rash resembling a bull's-eye, a tell-tale ...
Bio & Medicine
Dec 18, 2019
0
535
Cedarwood oil can be found in many consumer products—perfumes, soaps and deodorants among them. In addition to its pleasing scent, cedarwood oil also is prized for its insect-repelling and anti-fungal properties.
Plants & Animals
Feb 16, 2022
0
100
A protein known to help cells defend against infection also regulates the form and function of mitochondria, according to a new paper in Nature Communications.
Cell & Microbiology
Mar 3, 2020
0
501
Scientists from the University of Bristol and NHS Blood & Transplant (NHSBT) have discovered a rare new blood group system. The findings, published in Blood, also solve a 30-year mystery.
Cell & Microbiology
Oct 6, 2022
0
203
Diversity in diet plays a role in the complexity of venom in pit vipers such as rattlesnakes, copperheads and cottonmouths.
Plants & Animals
Apr 19, 2021
0
537
A team led by scientists in the Perelman School of Medicine at the University of Pennsylvania has engineered powerful new antimicrobial molecules from toxic proteins found in wasp venom. The team hopes to develop the molecules ...
Cell & Microbiology
Oct 12, 2020
0
986
Research led by the Department of Earth and Planetary Sciences, McGill University, Canada, has found that human cells seem to follow a homeostasis pattern of cell size and count across the entire organism.
