Mexican consulate killings tied to rival gang claim
A Mexican drug enforcer said a rival gang infiltrated a U S consulate worker who helped obtain visas and ordered the killing of Lesley Enriquez. An American official disputed the motive while acknowledging the slayings remain unsolved.
MENTIONED IN THIS ARTICLE
Mexico City
U.S
Lesley Enriquez
Ciudad Juarez
Mexico
Jesus Ernesto Chavez
Ramon Pequeno
Federal
Pequeno
Chavez
Juarez Cartel
Enriquez
el Paso
Texas
U.S. Justice Department
Washington
Tracy Schmaler
Arthur H. Redells
Dren
Jorge Alberto Salcido
Salcido
Redells
Deciphered Livingstone letter shows explorer's despair
A deciphered 1871 letter from explorer David Livingstone reveals his deep self doubt during the Nile source expedition. Researchers from Birkbeck University used imaging to recover the four page note written in harsh conditions near Lake Tanganyika, illustrating a humane, failing hero.
MENTIONED IN THIS ARTICLE
London
David Livingstone
Africa
Livingstone
Horace Waller
Nile
Debbie Harrison
Birkbeck University of London
Bambarre
Congo
Harrison
Lake Tanganyika
Henry Morton Stanley
Waller
Chitambo
Zambia
Stanley
Tibetans gain high altitude gene adaptation in 3000 years
A Science study led by UC Berkeley finds Tibetans in the Himalayas evolved a unique gene variant to cope with extreme altitude. Comparing 50 Tibetans and 40 Han Chinese, researchers note lower hemoglobin levels help prevent blood viscosity and improve oxygen delivery.
MENTIONED IN THIS ARTICLE
Los Angeles
Tibet Plateau
Science
University of California, Berkeley
Rasmus Nielsen
University of Nebraska
Jay Storz
Himalayas
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