Temporal teaser
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Earth
Toxic fog fills Nicaraguan streets to battle disease
The streets are choked by a fog of fumigating pesticide as Nicaragua tries to combat the mosquitoes that spread dengue
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Health
Smart glasses that help the blind see
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Today on 91av
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Environment
New dolphin species leaps out of Australian waters
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Life
Cuckoo bee feasts on the larvae of its cousins
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