Birds across the Americas are getting smaller and longer-winged as the world warms, and the smallest-bodied species are changing the fastest.
Plants & Animals
May 8, 2023
0
418
Biological cells, whether free-living or part of a multicellular organism, have to perform hundreds of functions to survive, such as perceiving their environment, uptaking and metabolizing nutrients, regenerating decayed ...
Cell & Microbiology
Apr 24, 2023
0
31
With CRISPR-Cas9 technology, humans can now rapidly change the evolutionary course of animals or plants by inserting genes that can easily spread through entire populations. Evolutionary geneticist Asher Cutter proposes that ...
Evolution
Mar 28, 2023
1
119
With its powerful digging shovels, the European mole can burrow through the soil with ease. The same applies to the Australian marsupial mole. Although the two animal species live far apart, they have developed similar organs ...
Evolution
Jan 5, 2023
0
105
Since the days of Charles Darwin, evolutionary biologists have widely believed that most new species form because they've adapted to different environments—but a new University of Toronto study suggests otherwise.
Plants & Animals
Jan 3, 2023
0
101
How will life on Earth and the ecosystems that support it adapt to climate change? Which species will go extinct—or evolve into something new? How will microbes develop further resistance to antibiotics?
Evolution
Nov 10, 2022
0
3
International researchers, including Senckenberg's Dr. Adrienne Jochum, have discovered a new species of land snail in an approximately 99-million-year-old piece of amber. The snail's shell features short, bristly hairs that ...
Evolution
Oct 25, 2022
0
1866
Meiotic drivers are a type of selfish gene. Present in the genomes of nearly all species, including humans, they unfairly transfer their genetic material to more than half of their offspring, sometimes leading to infertility, ...
Evolution
Oct 20, 2022
0
33
Scientists at the Max Planck Institute in Plön have shown that population structures that enhance the effect of selection do not necessarily also lead to higher fitness. Instead, it is crucial for maximizing fitness that ...
Evolution
Oct 6, 2022
0
34
South America has more canid species than any place on Earth, and a surprising new UCLA-led genomic analysis shows that all these doglike animals evolved from a single species that entered the continent just 3.5 million to ...
Plants & Animals
Sep 19, 2022
0
826
