Uncategorized
- Planetary Science
A crack at life
New images of ancient cracks on Mars suggest that liquid may have percolated through underground rock on the Red Planet, providing a possible habitat for primitive life.
- Health & Medicine
Long-Term Threat
Survivors of a childhood cancer face a sixfold risk of developing a new cancer later in life, compared with people in the general population.
- Earth
Not-So-Perma Frost
The world's warming climate, as well as ecological shifts in the timing and frequency of wildfires in boreal forests, pose an increasing threat to Arctic permafrost.
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19802
Among estrogenic pollutants, by far the worst offender is 17-alpha ethinyl estradiol, the most common estrogen in oral contraceptives used by tens of millions of women.
