|
|
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.
In 1864, the first barbiturate (barbituric acid) was synthesized.
Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%
A strange skin disease referred to as Morgellons has occurred in the southern United States and in California. Symptoms include slowly healing sores, joint pain, persistent fatigue, and a sensation of things crawling through the skin. Another symptom is strange-looking, threadlike extrusions coming out of the skin.
Patients who have undergone chemotherapy for the treatment of cancer often complain of a lack of mental focus; memory loss; and a general diminution in abilities such as multitasking, attention span, and general mental agility.
![C:N ratios differ a great deal among the tissues of pines and between the woody tissues of pines and](https://biology-forums.com/gallery/47/medium_33_09_09_11_10_11_48_17012005.jpeg)
![Areas of differing productivity and diversity in a wetland. (a) Typha dominates core habitats, while](https://biology-forums.com/gallery/47/medium_33_17_02_12_5_45_22_20031944.jpeg)