Mars rover probes ancient shoreline for signs of life
Plans for Perseverance to explore past crater rim may be in jeopardy
More math, less “math war”
A false “equity versus excellence” debate over mathematics curricula has long disrupted education in the United States
A genetic cause of male mate preference
A gene for mate preference has been shared between hybridizing butterfly species
Collateral impacts of organic farming
Clustering organic cropland can reduce pesticide use on nearby conventional farms
Boomers Daily 