The antibodies that these people produce are sucked up by the mosquito and destroy the malaria parasite in the mosquito's stomach.
They say the materials could enable smart decorations, camouflage textiles and improved anti-counterfeiting measures.
Researchers now report that they have developed polymers that can better mimic nature's color-changing abilities than existing polymers.
Some people develop an immune response following a malaria infection that stops them from infecting other mosquitoes.
The study also assessed fearfulness through standard personality tests, and found that fearfulness and pessimism are closely related.
Researchers have discovered that 1 in 25 malaria patients prevent the disease from spreading in this way. They also unraveled the defense proteins responsible, and these could be used to make a vaccine.
In nature, colors can serve as a form of communication, but they can also hide animals and plants, camouflaging them from sight.
Some calves are inherently optimistic or pessimistic, just as humans are, a new study has found.
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