Evolution has long been viewed as a rather random process, with the traits of species shaped by chance mutations and environmental events—and therefore largely unpredictable.
Plants & Animals
Jul 18, 2022
1
1270
In most mammals, females have two X chromosomes and males have one X and one Y chromosome in each of their cells. To avoid a double dose of X-linked genes in females, one of the Xs is silenced early in the developmental process. ...
Biotechnology
May 20, 2022
0
37
The three-body problem is one of the oldest problems in physics: It concerns the motions of systems of three bodies—like the sun, Earth, and the moon—and how their orbits change and evolve due to their mutual gravity. ...
Astronomy
Dec 28, 2021
8
1502
Genes aren't only inherited through birth. Bacteria have the ability to pass genes to each other, or pick them up from their environment, through a process called horizonal gene transfer, which is a major culprit in the spread ...
Molecular & Computational biology
Oct 22, 2021
0
255
Rattlesnakes increase their rattling rate as potential threats approach, and this abrupt switch to a high-frequency mode makes listeners, including humans, think they're closer than they actually are, researchers report August ...
Plants & Animals
Aug 19, 2021
2
1704
Flip a coin. Heads? Take a step to the left. Tails? Take a step to the right. In the quantum world? Go in both directions at once, like a wave spreading out. Called the 'walker analogy,' this random process can be applied ...
Quantum Physics
Oct 29, 2020
0
370
Hidden beneath Australia's surface, aquatic ecosystems that have survived in complete isolation for millions of years shed light on the evolution of living and extinct species.
Plants & Animals
May 20, 2020
0
7
While history shows us that power tends to corrupt, a team of Swiss and German researchers have recently examined historical examples of large-scale business fraud and misconduct at the highest-levels of government in order ...
Economics & Business
May 13, 2020
9
21
Some people like to take random walks through the woods, while others might stroll through their own neighborhood. In the world of math, a random walk is in fact more random than this; it would be the equivalent of flipping ...
Mathematics
Mar 27, 2020
0
76
The precursor of our planet, the proto-Earth, formed within a time span of approximately five million years, shows a new study from the Centre for Star and Planet Formation (StarPlan) at the Globe Institute at the University ...
Earth Sciences
Feb 20, 2020
4
4312
