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Attack of the cannibalistic bacteria
When nutrients are low, some members of a bacterial species will cannibalize other members.
- Math
Prime-Time Cicadas
Cicadas are flying, plant-eating insects. Most cicada species have life cycles that span 2 to 8 years. They spend most of their lives underground before emerging as adults. In a few species, almost all the individuals in a given location come out of hiding at the same time. These are known as periodical cicadas, and […]
- Earth
Spawning Trouble: Synthetic estrogen hampers trout fertility
Exposure to a synthetic estrogen called ethynylestradiol, which is commonly found in birth control pills and enters the waterways through sewage effluent, reduces male trout’s fertility by half.
