Why has ragweed – a highly allergenic plant – been spreading so quickly? Researcher Michael Martin took a six-week road trip across the USA and collected 1000 samples of the plant from roadsides and herbaria to answer ...
Ecology
Nov 25, 2016
0
45
A new approach brings the hope of new therapeutic options for suppressing seasonal influenza and avian flu. On the basis of an empty and therefore non-infectious shell of a phage virus, researchers from Berlin have developed ...
Bio & Medicine
Mar 31, 2020
23
274
The monumental reliefs at the Camel Site in northern Arabia are unique: three rock spurs are decorated with naturalistic, life-sized carvings of camels and equids. In total, 21 reliefs have been identified. Based on similarities ...
Archaeology
Sep 15, 2021
0
83
In much of the United States, there is a twice-yearly shift in timekeeping between standard time and daylight saving time, or DST, which delays both sunrise and sunset to make mornings darker and evenings brighter. Recently, ...
Ecology
Nov 2, 2022
0
83
Wild weather has been roiling North America for the past few months, thanks in part to a strong El Niño that sent temperatures surging in 2023. The climate phenomenon fed atmospheric rivers drenching the West Coast and contributed ...
Earth Sciences
Feb 11, 2024
1
41
NASA's Curiosity rover has discovered the first evidence that Mars once had a climate which alternated between wet and dry seasons similar to Earth, a study said on Wednesday, suggesting the red planet may have once had the ...
Planetary Sciences
Aug 13, 2023
10
35
Australia's largest flying reptile has been uncovered, a pterosaur with an estimated seven-meter wingspan that soared like a dragon above the ancient, vast inland sea once covering much of outback Queensland.
Paleontology & Fossils
Aug 9, 2021
0
824
The number of fires in the Amazon rainforest in northern Brazil fell to a record low in October, even as blazes ripped across the Pantanal tropical wetlands, official data show.
Environment
Nov 4, 2019
0
35
The Panama Canal has avoided the worst of a shipping crunch that threatened to upend the global economy—but at a cost to marine life and the Latin American country's supplies of drinking water.
Environment
Mar 18, 2024
0
54
Scientists from Denmark and China have estimated germline mutation rates across vertebrates by sequencing and comparing genetic samples from 151 mother, father, and offspring trios from 68 species of mammals, fishes, birds ...
