The sunflower family tree has revealed that flower symmetry evolved multiple times independently, a process called convergent evolution, among the members of this large plant family, according to a new analysis. The research ...
Plants & Animals
Apr 3, 2024
0
186
Charles Darwin described evolution as "descent with modification." Genetic information in the form of DNA sequences is copied and passed down from one generation to the next. But this process must also be somewhat flexible, ...
Evolution
Mar 4, 2024
0
342
Giant mountain ranges at least as high as the Himalayas and stretching up to 8,000 kilometers across entire supercontinents played a crucial role in the evolution of early life on Earth, according to a new study by researchers ...
Earth Sciences
Feb 3, 2022
20
866
Seawater is one of the most abundant resources on earth, offering promise both as a source of hydrogen—desirable as a source of clean energy—and of drinking water in arid climates. But even as water-splitting technologies ...
Materials Science
Nov 11, 2019
0
555
New research by scientists at the University of Bristol explains how a 'stop-start' pattern of evolution, governed by environmental change, could explain why crocodiles have changed so little since the age of the dinosaurs.
Plants & Animals
Jan 7, 2021
0
1120
Australopithecus anamensis is the earliest-known species of Australopithecus, and widely accepted as the progenitor of Lucy's species, Australopithecus afarensis. Until now, A. anamensis was known mainly from jaws and teeth. ...
Archaeology
Aug 28, 2019
4
2811
One of the most important controversies about human evolution and expansion is when and by what route the first hominins arrived in Europe from the African continent. Now, geological dating techniques at the Orce sites (Baza ...
Evolution
Jul 12, 2024
0
2509
A new electrocatalyst made of nickel (Ni), iron (Fe) and silicon (Si) that decreases the amount of energy required to synthesize H2 from water has been manufactured in a simple and cost-effective way, increasing the practicality ...
Nanomaterials
Nov 27, 2023
1
1250
Black holes are among the most compelling mysteries of the universe. Nothing, not even light, can escape a black hole. And at the center of nearly every galaxy there is a supermassive black hole that's millions to billions ...
Plasma Physics
Mar 11, 2022
8
570
Ancient rocks from Greenland have shown that the elements necessary for the evolution of life did not come to Earth until very late in the planet's formation—much later than previously thought.
Earth Sciences
Mar 12, 2020
31
1011
