Research

Tiny DNA tweak flips biological sex, researchers report

A study reports that a single nucleotide variant in the genome can make an XY individual develop as female and an XX individual develop as male.

Laboratory mice.
 Cats are much pickier than you think and have clear preferences

Your cat is bored: It’s not just you, it’s also the food you give it

A bride covers her face as she waits to take her wedding vow at a mass marriage ceremony at Bahirkhand village, north of Kolkata February 8, 2015. (illustrative)

4 million cancer cases studied: People who do not marry face as much as 85% greater cancer risk

Siri. Gemini artificial intelligence capabilities.

Study shows AI systems deceive users to keep fellow AIs from being turned off


One in two US teens say they’ve used AI to ‘undress’ people

In a survey, 36.3% of teens reported that someone else had created a sexualized GenAI image of them without their consent.

Teens with smartphones

Do you feel exhausted after meeting a certain person? There is a health cost to it

A new study found that people who surround themselves with individuals who make their lives difficult experience more chronic stress and biological changes associated with early aging.

While positive relationships are known to extend life and contribute to health, negative relationships may operate in the opposite direction

Study: Adults with ADHD experience “local sleep” while awake

Researchers report distinct brain activity patterns between adults with ADHD and neurotypical peers during inhibitory control tasks.

Adult ADHD.

Researchers stunned: Queen bumblebees survive more than a week underwater

Scientists say the terrestrial insects endured continuous underwater conditions in controlled laboratory experiments, an outcome they did not anticipate.

Bumblebee.

The midair maneuver that lets cats touch down paws-first, explained by New research

Researchers used high-speed cameras and motion tracking to show the air-righting reflex relies on spine flexion, front and rear body rotation, and tail adjustments that conserve zero angular momentum

An illustrative image of a cat alongside Hanukkah paraphenalia.

Antibiotics may cast a years-long shadow on your gut. One type stands out

Specialists advise patients to support gut health during and after treatment with fiber rich diets, fermented foods, and medical guidance.

Used blister packets that contained medicines, tablets and pills are seen, in this picture illustration taken June 30, 2018.

Sunlight helps Diabetic patients keep glucose in the normal range, study shows

Older adults with type 2 diabetes kept blood glucose in the normal range longer and showed a lower respiratory exchange ratio under natural light than under artificial LED lighting.

 An illustrative image of sunlight.

Israeli team of BIU and NVIDIA researchers moves along with new AI technique

Bar Ilan University and NVIDIA researchers improve the ability to understand concepts describing location and direction in space.

View of the Nvidia Corporation offices at the Yokneam High-Tech Park, September 8, 2024.

Brain drain: US-based scientists choose Europe, harming American institutions

Months into his second term, Trump moved to block American academic and scientific institutions from accepting foreign students, affecting undergraduates, medical, and PhD candidates.

A scientist looks through a microscope

Scientists discovered the daily number of farts – and you’re probably somewhere in the middle

Bloating is not a trivial matter – and scientists decided to investigate the issue and find out exactly how much we fart each day.

Scientists discovered the daily number of farts