Social media sites that show a white person sharing a message about racial justice are more likely to convince other white people of the benefits of the cause, but they also limit the visibility of Black activists.
Social Sciences
Dec 2, 2022
0
48
The DNA of extinct species is providing a window into their biology, evolution, and natural history. However, after an animal's death, its DNA invariably breaks into tiny pieces, making it difficult to computationally reconstruct.
Plants & Animals
Mar 31, 2022
2
258
Starting with the emergence of quantum mechanics, the world of physics has been divided between classical and quantum physics. Classical physics deals with the motions of objects we typically see every day in the macroscopic ...
General Physics
Jan 26, 2023
0
1277
Nature is full of parasites—organisms that flourish and proliferate at the expense of another species. Surprisingly, these same competing roles of parasite and host can be found in the microscopic molecular world of the ...
General Physics
Nov 14, 2016
1
3006
Striking evidence has emerged that an ancient virus previously known only from fossil evidence has persistently infected some humans at very low levels for hundreds of thousands or even millions of years. This ancient retrovirus ...
Biotechnology
Apr 4, 2016
4
2365
An international team of researchers has developed a new theoretical framework that bridges physics and biology to provide a unified approach for understanding how complexity and evolution emerge in nature.
Evolution
Oct 4, 2023
0
2165
Objects with sizes in the nanometer range, such as the molecular building blocks of living cells or nanotechnological devices, are continuously exposed to random collisions with surrounding molecules. In such fluctuating ...
Nanophysics
Mar 31, 2014
12
1
Engineers have developed nanoscale tattoos—dots and wires that adhere to live cells—in a breakthrough that puts researchers one step closer to tracking the health of individual cells.
Bio & Medicine
Aug 7, 2023
0
344
Global animal, bird and fish populations have plummeted more than two-thirds in less than 50 years due to rampant over-consumption, experts said Thursday in a stark warning to save nature in order to save ourselves.
Ecology
Sep 10, 2020
3
1503
A remarkable 250 million-year-old "terrible-headed lizard" fossil found in China shows an embryo inside the mother—clear evidence for live birth.
Archaeology
Feb 14, 2017
1
628
