Search results for “Scientific American”

4 stories for “Scientific American”

Science

cobalt

Deep-sea mining targets metal-rich nodules that previously appeared lifeless actually host diverse ecosystems. This discovery challenges industry plans to extract cobalt and nickel, prompting calls for...

Scientific American · 2 days ago · 2 min read

Science

Study reveals low internal noise enhances pitch discrimination among listeners

People with low internal auditory noise can tell similar pitches apart more reliably, a new study shows, explaining why some listeners hear fine tonal differences while others do not. Researchers measured the...

Scientific American · 5 days ago · 2 min read

Science

Study reveals acorns predict rise in Lyme disease-carrying ticks

Research indicates that acorn production can predict increases in Lyme disease-carrying ticks, with high acorn years leading to a 30-40% rise in infected nymphs two years later. This finding shifts the focus...

Scientific American · 6 days ago · 2 min read

Religion & Faith

Toxicology tests reveal Inca children used hallucinogens before sacrifices

Toxicology tests on Inca mummies reveal that children were given hallucinogens like cocaine and ayahuasca before being sacrificed in religious ceremonies, highlighting the cultural significance of these...

Scientific American · 10 days ago · 1 min read