The Mitochondrial #Eve is the most recent woman from whom all living humans descend. 🧵🔽
The mitochondrial haplogroup mt-MRCA was split at around 155,000 years ago, which is later than the speciation of Homo sapiens.
Jun 15, 2022 • 17 tweets • 3 min read
The pronunciation of GIF has been disputed since the 1990s. Steve Wilhite argues that the soft g pronunciation is correct, while others point to the term's origin from the word graphics. 🧵⬇️
The pronunciation of the acronym varies by region, and linguistic analyses show no clear advantage for either pronunciation.
Hitchhikers use physical gestures or displays to indicate they need a ride. In some countries, the hitchhiker's hand is held with the palm facing upwards ✋, while in others, the index finger is used ☝️.
Gay pride or LGBT pride is the promotion of the self-affirmation, dignity, equality, and increased visibility of lesbian, gay, bisexual, and transgender (LGBT) people as a social group.
Early on the morning of Saturday, June 28, 1969, lesbian, gay, bisexual, and transgender persons rioted following a police raid on the #Stonewall Inn, a gay bar at 43 Christopher Street in Greenwich Village, Manhattan, New York City.
On Saturday, June 27, 1970, Chicago Gay Liberation organized a march from Washington Square Park ("Bughouse Square") to the Water Tower at the intersection of Michigan and Chicago avenues, which was the route originally planned.
As a result, many pride events are held during this month to recognize the impact LGBT people have had in the world.
Jun 1, 2022 • 13 tweets • 2 min read
🧵 A thread on research limitation arround gun violence in the United States.
(As seen on Wikipedia)
In the United States, research into firearms and violent crime is fraught with difficulties, associated with limited data on gun ownership and use, firearms markets, and aggregation of crime data.
Jun 1, 2022 • 12 tweets • 2 min read
🧵 A thread on reporting crimes related to gun violence in the United States
(As seen on Wikipedia)
The National Incident-Based Reporting System (NIBRS) is used by law enforcement agencies in the United States for collecting and reporting data on crimes.
The NIBRS is one of four subsets of the Uniform Crime Reporting (UCR) program: 👇
Jun 1, 2022 • 33 tweets • 4 min read
🧵 A thread on intervention programs for gun violence in the United States