Feature
-
Sizing Up the Brain
Genetic mutations that produce small brains provide insight into the formation and evolution of the human brain.
- Astronomy
Jet Astronomy
For the first time, scientists have traced the slowing and dimming of X-ray-emitting jets from a black hole.
- Health & Medicine
Old Drug, New Uses?
A hormone called erythropoietin, long used to treat anemia, also seems to protect against nerve damage and holds promise as a new therapy for stroke and spinal cord injury.
-
-
Red Snow, Green Snow
It's truly spring when those last white drifts go technicolor as algae bloom in the snow.
- Earth
Once Upon a Lake
As Earth warmed at the end of the last ice age, the immense volumes of fresh water that occasionally and catastrophically spilled from Lake Agassiz—the long-defunct lake that formed as the ice sheet smothering Canada melted—may have caused global climate change and sudden rises in sea level.
- Math
Election Selection
By ignoring how voters might rank all the candidates in an election, the plurality system opens the floodgates to unsettling, paradoxical results when there are three or more candidates.
-
Placental Puzzle
Do captured viral genes make human pregnancies possible?
- Agriculture
Downtown Fisheries?
Advances may make fish farming a healthy prospect, even for inner cities.
-
-
- Math
Prime Pursuit
A novel approach for identifying prime numbers provides a long-sought improvement in the theoretical efficiency of prime-detecting algorithms.
