What are the brown or black streaks the flesh of an avocado sometimes contains?

重口味怪癖男 吃掉6萬膠袋

Analysis Shows Nearly ALL Chicken (97%) Tainted with Harmful Bacteria

Boston Marathon Bombing Explosions 2013 News 4/24-

Media ignores Fukushima as probable cause of declining West Coast marine populations


World's oldest animal was 507 years old, until scientists killed it