Chemistry
Cats chewing on catnip boosts the plant’s insect-repelling powers
When cats tear up catnip, it increases the amount of insect-repelling chemicals released by the plants.
All Topics
Chemistry
Earth
Environment
Earth’s oldest known wildfires raged 430 million years ago
430-million-year-old fossilized charcoal suggests atmospheric oxygen levels of at least 16 percent, the amount needed for fire to take hold and spread.
Humans
Health & Medicine
5 misunderstandings of pregnancy biology that cloud the abortion debate
The Supreme Court’s scrapping of Roe v. Wade shifts decisions about related health care to states. Accurate science is often missing in those talks.
Life
Animals
50 years ago, eels’ navigation skills electrified scientists
Excerpt from the June 24, 1972 issue of Science News
Math
Cosmology
A century ago, Alexander Friedmann envisioned the universe’s expansion
Alexander Friedmann saw that Einstein’s equations predicted multiple cosmic scenarios, including a Big Bang.
Physics
Physics
Physicists may have finally spotted elusive clusters of four neutrons
Long-sought clumps of four neutrons called tetraneutrons last less than a billionth of a trillionth of a second, an experiment suggests.
Science & Society
Science & Society
Russia’s invasion could cause long-term harm to Ukraine’s prized soil
War will physically and chemically damage Ukraine’s prized, highly fertile chernozem soils. The impacts on agriculture could last for years.
Space
Astronomy
An otherwise quiet galaxy in the early universe is spewing star stuff
Seen as it was 700 million years after the Big Bang, the galaxy churns out a relatively paltry number of stars. And yet it’s heaving gas into space.
Tech
Tech
Scientists grew living human skin around a robotic finger
In the hopes of one day building super realistic cyborgs, researchers built a robotic finger that wears living human skin.
