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Submission + - Should schools get rid of homework? Some educators are saying yes (npr.org)

Submitted by Tony Isaac
Tony Isaac writes: Federal survey data shows that the amount of math homework assigned to fourth and eighth grade students, in particular, has been steadily declining for the past decade.

Some educators and parents say this is a good thing — students shouldn't spend six or more hours a day at school and still have additional schoolwork to complete at home. But the research on homework is complicated.

Some studies show that students who spend more time on homework perform better than their peers. For example, a longitudinal study released in 2021 of more than 6,000 students in Germany, Uruguay and the Netherlands found that lower-performing students who increased the amount of time they spent on math homework performed better in math, even one year later.

Other studies, however, suggest homework has minimal outcomes on academic performance: A 1998 study of more than 700 U.S. students led by a researcher at Duke University found that more homework assigned in elementary grades had no significant effect on standardized test scores. The researchers did find small positive gains on class grades when they looked at both test scores and the proportion of homework students completed.

Submission + - A Talking Robot Guide Dog Could Change How Visually Impaired People Navigate (studyfinds.com) 1

Submitted by fjo3
fjo3 writes: What if you could ask your guide dog where the nearest water fountain is and hear it answer back, complete with directions and an estimated walk time? Researchers at the State University of New York at Binghamton have built a robotic guide dog that can do something close to that, holding simple back-and-forth conversations about navigation with its handler, describing the surrounding environment, and talking through route options as it leads the way.

Real guide dogs are incredible companions, but they can only respond to a handful of short commands like “forward” or “left.” They can’t tell a person what’s around them or explain that reaching the kitchen means passing through two doors. And the supply problem is staggering: only about 2% of visually impaired people in the United States use guide dogs, partly because breeding and training takes years and fewer than half the dogs in training actually graduate. In China, the gap is even wider, with roughly 400 guide dogs serving more than 10 million visually impaired people.

Submission + - The secret, never-before-used CIA tool that helped find airman downed in Iran (nypost.com)

Submitted by alternative_right
alternative_right writes: The CIA used a futuristic new tool called âoeGhost Murmurâ to find and rescue the second American airman who was shot down in southern Iran, The Post has learned.

The secret technology uses long-range quantum magnetometry to find the electromagnetic fingerprint of a human heartbeat and pairs the data with artificial intelligence software to isolate the signature from background noise, two sources close to the breakthrough said.

Submission + - Google tells Wear OS developers to go 64-bit or get blocked from the Play Store (nerds.xyz)

Submitted by BrianFagioli
BrianFagioli writes: Google is pushing the smartwatch ecosystem further toward 64-bit. Starting September 15, 2026, Wear OS apps that include native code will need to ship both 32-bit and 64-bit versions or updates will be blocked from the Play Console. Existing 32-bit watches will still get compatible apps, so this mostly affects developers submitting new builds. For many apps written in Kotlin or Java the change may not require code updates, but developers still need to check their APKs since third party SDKs can quietly introduce native libraries. In other words, if you build for Wear OS, it is time to double check those binaries before the deadline hits.

Submission + - Why It's Good to [Masturbate] Frequently, According to Science (404media.co) 1

Submitted by alternative_right
alternative_right writes: Regular ejaculation — for example, by masturbation — produces higher quality sperm, a finding that has implications for fertility science and assisted reproductive technologies, according to a comprehensive new study published in Proceedings of the Royal Society B.

It’s well-established that sperm quality in many animals can deteriorate as males age, but less is known about how the age of sperm cells independently impacts reproductive outcomes. To fill in this gap, scientists co-led by Krish Sanghvi and Rebecca Dean of the University of Oxford conducted a meta-analysis of more than 115 studies about human sperm storage that cumulatively involved nearly 55,000 men, as well as 56 studies of 30 non-human species.

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