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Distinguished professor Alan Saltiel in his lab at the UC San Diego Medical School. Feb 14, 2024

How the body encourages obesity, and what can be done to reverse the process

Researchers identified a molecule that protects stored fat in obese mice. But they also found a way to make it turn off.

The SpaceX Starship spacecraft lifts off from Starbase in Boca Chica, Texas, on Thursday.

Third time's the charm: SpaceX's massive Starship reaches space

SpaceX has successfully conducted a test launch of its massive Starship rocket in a major success for company, which saw the rocket explode in two previous test flights

A recent Russian space launch placed a satellite onto the same orbital plane as a U.S. satellite, the Pentagon says. Here, a Soyuz-2.1a rocket booster with the Soyuz MS-24 spacecraft sits at the launch pad at the Russian-leased Baikonur cosmodrome in Kazakhstan last September.

What to know about the 'space weapon' the U.S. says Russia recently launched

The U.S. accusation, which Russia denies, raises questions about how a satellite might be used as a weapon in low Earth orbit and how close the two countries are to developing such a military tool.

Robert Turner is with his dad, Robert Turner, Sr. As a professor and researcher, the younger man is studying the significant portion of African American men who are caregivers.

Black men are a hidden segment of caregivers. It's stressful but rewarding, too

Almost 40% of caregivers of older adults are men, and a third of that group is Black. But African American men face some issues other guys don't.

A SpaceX Falcon 9 rocket blasts into space. On board is a satellite with a climate solutions mission. It's designed to detect methane, a potent planet warming gas.

A new satellite will track climate-warming pollution. Here's why that's a big deal

A satellite with a climate solutions mission blasted off on a SpaceX rocket Monday. It's on a mission to detect planet-heating methane pollution from the oil and gas sector.

Eight daily newspapers sued OpenAI and Microsoft on Tuesday, alleging that the maker of ChatGPT copied its work without permission or payment.

Eight newspapers sue OpenAI, Microsoft for copyright infringement

The New York Daily News, the Chicago Tribune and others contend that the tech companies illegally copied their work without seeking permission or ever paying the publishers.

The new guidelines were prompted by increased rates of breast cancer in women in their 40s. They recommend mammograms every other year, starting at age 40.

Mammograms should start at age 40, new guidelines recommend

A rise in breast cancer among younger women prompted the U.S. Preventive Task Force to issue new screening guidelines. They recommend mammograms every other year, starting at age 40.

When OpenAI announced its latest ChatGPT last week, the AI voice it used in its demo was quickly compared to Scarlett Johansson's voice in the 2013 sci-fi film "Her," but now the company says it is pulling the voice.

Scarlett Johansson says she is 'shocked, angered' over new ChatGPT voice

Johansson says she was approached multiple times by OpenAI to be the voice of ChatGPT, and that she declined. Then the company released a voice assistant that sounded uncannily like her.

Honoré Prentice (in yellow shirt and glasses), who lives in Canada, met three of his birth siblings, who live in the U.S., in person on Dec. 13, 2021. The brothers were all born in Haiti.

When an adoptee reunites with birth siblings abroad: 'There's no instruction manual'

Reuniting with birth siblings after an international adoption is a challenging — and emotionally charged — mission. Here are stories from four families.

San Diego State anthropology professor Isaac Ullah sits in his office showing some spearheads and a spear thrower that could have been used by people hunting the now extinct buffalo, Syncerus Antiquus. April 12, 2024.

San Diego State anthropology professor builds an extinction calculator

The computer simulation seeks to determine whether a species died out due to human predation, environmental changes or (probably) both.

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