Typhoid toxin accelerates cell aging to enhance killer infection, study reveals

Scientists have revealed how the typhoid toxin works to hijack DNA repair machines and accelerate the aging of cells, a breakthrough that could pave the way for new strategies to combat the killer disease.

Role of cancer protein ARID1A at intersection of genome stability and tumor suppression

The ARID1A tumor suppressor protein is required to maintain telomere cohesion and correct chromosome segregation after DNA replication. This finding, reported by Wistar researchers in Nature Communications, indicates that ARID1A-mutated cells undergo gross genomic alterations that are not compatible with survival and explains the lack of genomic instability characteristic of ARID1A-mutated cancers.

Facebook Dating lets you seek romance on the social network: Is privacy a concern?

Are you ready to friend Cupid on Facebook?

A new iPhone is coming. But no, you don't really have to pay new-phone prices

New iPhones are likely to be revealed Sept. 10 and in stores soon after.

Google releases Android 10: The top 8 ways your phone will improve

Android 10 is now available, but you'll need a Google Pixel smartphone to install the latest version of Google's mobile operating system. At least for now. The update is promised for other Android phones over the next several weeks. At its I/O developer conference in May, Google announced that Android is now operating on more than 2.5 billion active devices.

In Greenland village, shorter winters cast doubts over dog sledding

Tethered between pastel-coloured wooden houses in the Greenlandic village of Kulusuk and on hills nearby, the island's famous sled dogs wait through the summer for the ice to form so their hunting season can begin.

Texas says half of agencies hit by ransomware have recovered

Texas authorities say they aren't aware of any money paid to hackers who used ransomware to target more than 20 communities last month.

Black hole movies coming soon, says leading astronomer

By the time an international group of scientists stunned the world with the first ever image of a black hole, they were already planning a sequel: a movie showing how massive clouds of gas are forever sucked into the void.

'It's hell everywhere': collecting Dorian's dead in ravaged Bahamas

In the desolation left after Hurricane Dorian carved a murderous path across the northern Bahamas, six men dressed in immaculate white overalls zip a corpse into a body bag.

Confusion and delays at Nassau airport hamper hurricane response

After arriving at Nassau Airport, volunteers from NGO Samaritan's Purse hoped to quickly reach areas devastated by Hurricane Dorian, but instead waited hours under the blazing sun for permission to take off.

N. Carolina faces 'long night' as Dorian's Bahamas toll rises

North Carolina braced for a "long night" of strong winds and driving rain as Hurricane Dorian moved near the US state's coast Friday after devastating the northern Bahamas, where it left at least 30 people dead and thousands homeless.

'Deepfake challenge' aims to find tools to fight manipulation

Technology firms and academics have joined together to launch a "deepfake challenge" to improve tools to detect videos and other media manipulated by artificial intelligence.

City of hope rises from Madagascar garbage site

When he was six, Liva spent his days rummaging around an enormous landfill overlooking the hills of Madagascar's capital Antananarivo.

Monkey business: Vietnam macaque island draws tourists—and criticism

Menacing macaques snatch bags of crisps, water bottles, cookies and crackers from uneasy tourists on Vietnam's Monkey Island, a popular attraction decried as cruel by activists calling for an end to animal tourism in Southeast Asia.

'Extreme mating' killing tiny marsupials en masse: researchers

A tiny marsupial found only in northwest Australia mates so intensely that an entire generation of males can die off during a single breeding season, researchers reported on Friday.

Amazon's Ring doorbell cameras attract congressional concern

Amazon-owned doorbell camera company Ring is facing questions from a U.S. senator over its partnerships with police departments around the country.

Research warns of the far-reaching consequences of measles epidemic and failure to vaccinate

The European Society of Clinical Microbiology and Infectious Diseases (ESCMID) 5th Vaccine Conference will hear that the risks of failing to vaccinate children may extend far beyond one specific vaccine, although currently the most urgent problem to address is the resurgence of measles.

Brighter future for LEDs: NIST Introduces new lamp calibration lab

Question: How many measurement scientists does it take to screw in an LED lightbulb? Answer: For researchers at the National Institute of Standards and Technology (NIST), half as many as it took a few weeks ago.

Scientist explores using nanoparticles to reduce size of deep-seated tumors

Another collaborative project from a nanoparticles expert at The University of Texas at Arlington has yielded promising results in the search for more effective, targeted cancer treatments.

Researchers find alarming risk for people coming off chronic opioid prescriptions

With a huge push to reduce opioid prescribing, little is known about the real-world benefits or risks to patients.

Study shows the social benefits of political incorrectness

When Rep. Alexandria Ocasio-Cortez refers to immigrant detention centers as "concentration camps," or President Trump calls immigrants "illegals," they may take some heat for being politically incorrect. But using politically incorrect speech brings some benefits: It's a powerful way to appear authentic.

More targeted, less toxic: The golden future of cancer treatment

Researchers have engineered gold-based molecules that target cancer cells and leave healthy cells unharmed, in a critical step towards precision cancer drugs with fewer toxic side effects.

Tuberculosis mutation discovery paves way for better treatments

A Rutgers New Jersey Medical School study has found a genetically tractable cause of drug tolerant tuberculosis, paving the way for researchers to develop new drugs to combat the global TB epidemic and cure the disease.