map showing Tanzania
Unidentified Bleeding Disease Kills Three in Tanzania
Thirteen people with the illness have tested negative for Ebola and Marburg. The Tanzanian government continues to investigate the source.
Unidentified Bleeding Disease Kills Three in Tanzania
Unidentified Bleeding Disease Kills Three in Tanzania

Thirteen people with the illness have tested negative for Ebola and Marburg. The Tanzanian government continues to investigate the source.

Thirteen people with the illness have tested negative for Ebola and Marburg. The Tanzanian government continues to investigate the source.

mystery
Person holding a plate with pink flowers and candles in a boat on a river
“Mystery Fever” Claims the Lives of Dozens of Indian Children
Lisa Winter | Sep 2, 2021
So far, more than 50 people have died of a febrile illness, though the cause isn’t clear.
Mystery Illness Cluster in India May Be Due to Neurotoxin
Lisa Winter | Dec 9, 2020
Health officials are searching for possible exposures to heavy metals, but no sources of contamination have been identified.
florida panther
Florida Wild Cats Struggle to Walk Due to Unknown Disorder
Nicoletta Lanese | Aug 28, 2019
Both bobcats and the state’s namesake panther, an endangered species, have been spotted with signs of the condition.
Silent Canopies
Jef Akst | May 1, 2016
A spate of howler monkey deaths in Nicaragua, Panama, and Ecuador has researchers scrambling to identify the cause.
Monkey See, Monkey Die
The Scientist Staff | Apr 30, 2016
What's killing howler monkeys in the jungles of Central America?