We investigated whether the Himalayan black bulbul (Hypsipetes leucocephalus nigerrimus), which is sexually monomorphic to the human eye, exhibits sexual dichromatism distinguishable by a spectrometer.
We measured the reflectance (within both the human visual perceptive and the ultraviolet ranges) of two carotenoid-based parts and eight dull and melanin-based parts for each individual live bird or museum skin sampled.
Since both gonorrhea and chlamydia are bacterial infections our NAA test looks for traces of the infection in a small urine sample, which is needed to conduct the test.
Men and women are susceptible to chlamydia and gonorrhea, which is transmitted through oral, vaginal, and anal sex.
Signs of HIV infection can’t be detected in the blood immediately.