The smallest plant seeds are those belonging to orchids. Three million orchid seeds would weigh about 1 gram (1/28th of an ounce).
One-third of world infected with TB, report says, with more than
half in Asia
One-third of world infected with TB, report says, with more than
half in Asia A report by the World Health Organization says
that 32 per cent of the world's population carry the bacterium that
causes tuberculosis. The report blames the high infection rates on
poor control strategies in many countries, with the worst record
being in Southeast Asian countries.
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