Uncategorized
- Health & Medicine
Questions remain about the benefits of taking testosterone
For men with low testosterone, the pros and cons of taking hormone replacement therapy are mixed.
- Astronomy
Seven Earth-sized planets orbit nearby supercool star
A planetary system called TRAPPIST-1 has seven Earth-sized planets, three in the habitable zone, researchers report.
- Science & Society
Science’s questions rarely have clear, easy answers
Acting Editor in Chief Elizabeth Quill discusses science's complexities.
- Quantum Physics
Readers amazed by Amasia
Quantum spookiness, shifting landmasses and more in reader feedback.
- Health & Medicine
Instead of starving a cancer, researchers go after its defenses
There may be ways to block tumors from adapting and outrunning the body’s defenses.
- Animals
Too many stinkbugs spoil the wine
Stinkbugs can ruin wine if enough are accidentally processed alive with the grapes. Three or fewer stinkbugs per grape cluster don’t have a noticeable effect on red wine.
- Life
Howler monkeys may owe their color vision to leaf hue
Better color vision gives howler monkeys an edge at finding food.
- Anthropology
Power may have passed via women in ancient Chaco Canyon society
DNA points to a 330-year-long reign of a maternal dynasty centered in New Mexico’s Chaco Canyon.
- Anthropology
Low-status chimps revealed as trendsetters
Outranked chimpanzees trigger spread of useful new behaviors among their comrades.
- Chemistry
New, greener catalysts are built for speed
Researchers are designing catalysts to move chemical reactions without using precious metals, or at least using less of them.
- Animals
Coconut crab pinches like a lion, eats like a dumpster diver
Coconut crabs use their surprisingly powerful claw for more than cracking coconuts.
- Plants
Enzymes aid rice plants’ arsenic defenses
Rice plant roots have natural defenses against arsenic.
