Ghost hominins haunt our DNA
Researchers built a new computer program that can spot extinct ancestors in human DNA. They found that every person carries genes from at…
Category: Big Questions
Could scientists find extraterrestrial spacecraft in our solar system?
Researchers from China recently tested whether they could detect unusual radio signals coming from an interstellar object passing through…
Scientists found a compound that can disarm a drug-resistant bacterium
Researchers screened about 7,000 chemical compounds against a protein in the common antibiotic-resistant bacterium Pseudomonas aeruginosa.
Fungi help pine trees survive heat stress
Researchers found that pine seedlings in a symbiotic partnership with soil fungi grew 80% larger and survived extreme heat better than those…
The search for habitable worlds
Scientists identified 47 near-Earth stars as the most likely to have rocky planets with ideal surface temperatures for life.
Needles turn rain into electricity
Researchers improved rain-powered generators by using needle-shaped electrodes that quickly shed water and boost electrical output.
Are Martian organics remnants of ancient life?
Scientists found that organic molecules in Jezero Crater on Mars are similar to both biological and non-biological organic matter on Earth.
Where did the galaxy get its carbon?
Researchers compared computer models with observations of stars in the Milky Way, and found that massive stars are the dominant source of…
How do bacteria adapt to toxic metal waste?
University of Minnesota scientists identified a specific DNA region in the bacterium Shewanella oneidensis that helps it tolerate heavy…
Using seismic stations to track groundwater resources
Researchers used seismic data to test whether atmospheric rivers in 2023 replenished groundwater in the Greater Los Angeles area after two…