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Green tea is able to stop the scent of garlic or onion from causing bad breath.
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During pregnancy, a woman is more likely to experience bleeding gums and nosebleeds caused by hormonal changes that increase blood flow to the mouth and nose.
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In 1864, the first barbiturate (barbituric acid) was synthesized.
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Complications of influenza include: bacterial pneumonia, ear and sinus infections, dehydration, and worsening of chronic conditions such as asthma, congestive heart failure, or diabetes.
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Vampire bats have a natural anticoagulant in their saliva that permits continuous bleeding after they painlessly open a wound with their incisors. This capillary blood does not cause any significant blood loss to their victims.
![Chimpanzees live in complex kin groups in which lifelong bonds and individual personalities play key](https://biology-forums.com/gallery/47/medium_275816_26_01_15_5_23_40_20415653.jpeg)
![(a) The Dmanisi cranium (right) shows similarities to early African H. erectus including the Narioko](https://biology-forums.com/gallery/47/medium_275510_22_02_15_6_06_47_20781142.jpeg)