Lysosomes are critical for cellular degradation, characterized by their acidic pH and array of hydrolytic enzymes. They degrade materials through endocytosis, phagocytosis, and autophagy, recycling essential components. Lysosomes ...
Cell & Microbiology
May 8, 2024
0
1
Early hunter–gatherers from the Middle Stone Age in southern Africa were selecting the most suitable material available for stone tools and spearheads more than 60,000 years ago, according to a study by Dr. Patrick Schmidt ...
Archaeology
Feb 27, 2024
0
142
Astronomers have been on the hunt for a new kind of exoplanet in recent years—one especially suited for habitability. They're called Hycean worlds, and they're characterized by vast liquid water oceans and thick hydrogen-rich ...
Planetary Sciences
Feb 23, 2024
0
30
Lymph nodes are the canaries in the coal mine of our immune system—firing into gear at the first indication of illness, then sending immune cells where they're needed in the body to fight infection and disease.
Bio & Medicine
Feb 14, 2024
0
29
Researchers at Lawrence Livermore National Laboratory (LLNL) have developed a modeling tool for assessing the potential use of a nuclear device to defend the planet against catastrophic asteroid impacts.
Planetary Sciences
Dec 19, 2023
10
204
Astronomers have known for decades that the universe is expanding. When they use telescopes to observe faraway galaxies, they see that these galaxies are moving away from Earth.
Astronomy
Nov 15, 2023
44
70
In 2006, the Tripod Complex Fire burned more than 175,000 acres in north-central Washington. The fire, which was within the Okanogan-Wenatchee National Forest, was more than three times the size of Seattle. Yet while considered ...
Ecology
Aug 21, 2023
0
49
World daily temperature records have been smashed this week, according to preliminary data.
Environment
Jul 8, 2023
0
9
Global warming is here. As anticipated for more than 50 years now, the temperature and levels of atmospheric CO2 have increased.
Ecology
Jun 12, 2023
0
2
A machine learning model can predict the locations of minerals on Earth—and potentially other planets—by taking advantage of patterns in mineral associations. Science and industry seek mineral deposits to both better ...
Earth Sciences
May 17, 2023
0
5
