Is it really hotter now than any time in 100,000 years?
As scorching heat grips large swaths of the Earth, a lot of people are trying to put the extreme temperatures into context and asking: When was it ever this hot before?
As scorching heat grips large swaths of the Earth, a lot of people are trying to put the extreme temperatures into context and asking: When was it ever this hot before?
Earth Sciences
Jul 24, 2023
1
37
Sabertooth cats make up a diverse group of long-toothed predators that roamed Africa around 6–7 million years ago, around the time that hominins—the group that includes modern humans—began to evolve.
Evolution
Jul 20, 2023
0
130
Homo sapiens, our own species, evolved in Africa sometime between 300,000 and 200,000 years ago. Anthropologists are pretty confident in that estimate, based on fossil, genetic and archaeological evidence.
Evolution
May 2, 2023
1
48
Cold spells often bring climate change deniers out in force on social media, with hashtags like #ClimateHoax and #ClimateScam. Former President Donald Trump often chimes in, repeatedly claiming that each cold snap disproves ...
Environment
May 2, 2023
2
43
Modern birds capable of flight all have a specialized wing structure called the propatagium without which they could not fly. The evolutionary origin of this structure has remained a mystery, but new research suggests it ...
Evolution
Feb 24, 2023
2
1140
Plants can move in ways that might surprise you. Some of them even show "sleep movements," folding or raising their leaves each night before opening them again the next day. Now, researchers reporting in the journal Current ...
Evolution
Feb 15, 2023
0
58
The moonseed family (Menispermaceae) consists mainly of vines, rare shrubs or trees with unisexual flowers, and drupaceous fruits. Up to now, six species and three unidentified species in morphogenus Palaeosinomenium have ...
Plants & Animals
Dec 28, 2022
0
17
November 15, 2022, marks a milestone for our species, as the global population hits 8 billion. Just 70 years ago, within a human lifetime, there were only 2.5 billion of us. In AD1, fewer than one-third of a billion. So ...
Evolution
Nov 16, 2022
0
1
Piecing together the story of human evolution is an undeniably complex task.
Evolution
Nov 15, 2022
0
271
A process of desiccation and deflation explains why dinosaur "mummies" aren't as exceptional as we might expect, according to a study published October 12, 2022 in the open-access journal PLOS ONE by Stephanie Drumheller ...
Paleontology & Fossils
Oct 12, 2022
0
402