The second century Alexandrian astronomer and mathematician Claudius Ptolemy had a grand ambition. Hoping to make sense of the motion of stars and the paths of planets, he published a magisterial treatise on the subject, ...
Evolution
Jun 6, 2022
0
452
Infectious microbes have evolved sophisticated means to invade host cells, outwit the body's defenses and cause disease. While researchers have tried to puzzle out the complicated interactions between microorganisms and the ...
Cell & Microbiology
Jun 1, 2022
0
56
Just as countries import a vast array of consumer goods across national borders, so living cells are engaged in a lively import-export business. Their ports of entry are sophisticated transport channels embedded in a cell's ...
Molecular & Computational biology
May 10, 2022
0
251
As the world sees rising ocean temperatures, it will also see more cases of coral bleaching. When corals bleach, they become more vulnerable to other stressors such as water pollution. However, many reefs harbor corals that ...
Plants & Animals
May 2, 2022
0
101
Proteins may be the most important and varied biomolecules within living systems. These strings of amino acids, assuming complex 3-dimensional forms, are essential for the growth and maintenance of tissue, the initiation ...
Biotechnology
Apr 28, 2022
0
70
In Oman, on the Persian Gulf, there is a large slab of ancient seafloor—including ultramafic rocks from Earth's upper mantle—called the Samail Ophiolite. These unique rocks not only provide valuable information about ...
Earth Sciences
Apr 27, 2022
0
385
Viruses are among the most protean entities in nature, ceaselessly mutating and acquiring new characteristics. These tiny entities follow a simple and relentless imperative: infect as many host organisms as possible. Occasionally, ...
Ecology
Apr 26, 2022
0
16
Determining the history of Mars, how it formed and evolved over time, has been a goal of both orbiter and rover missions to the Red Planet for decades.
Planetary Sciences
Apr 26, 2022
1
1620
Each year, humans across the globe produce billions of tons of solid waste. Roughly 70% of this refuse ends up deposited in landfills, where it slowly decays. Yet, what may seem an inert accumulation of useless debris, is ...
Ecology
Apr 15, 2022
1
151
Spoiler alert: In the final scene of the 1973 movie "Soylent Green" actor Charlton Heston, who plays detective Frank Thorn, is being led off on a stretcher following a gun battle when he desperately reveals the secret he ...
Social Sciences
Apr 14, 2022
0
174
