How do DNA tests tell if two people are related?

How can DNA from a cheek swab determine if someone is closely related to you?
Science and Technolgy blog
How can DNA from a cheek swab determine if someone is closely related to you?
Hypnosis is safe and can work as both a standalone or a complementary treatment with other therapies.
Recent research has uncovered a link between diet, blood sugar control, and brain health in aging adults. The study, conducted as part of the DIRECT PLUS trial and published in The American Journal of Clinical Nutrition, found that dietary interventions,…
We’ve just hit a ‘critical inflection point’ on the road to scalable quantum computers. Here’s why.
Will the striking design of the Hawke Endurance be matched by its performance?
A study of young, healthy women found that they tend to display stronger depression-like patterns of cognitive processing when actively taking oral contraceptives. This effect was particularly pronounced among women with generally higher levels of depressive symptoms. The findings were…
A complete indoor cycling setup at a reasonable price.
Dwarf crocodiles in Gabon found living in a cave, with their skin turning orange from swimming in guano. It’s unclear how long they’ve been down there, but genetic research indicates they may be morphing into a new species.
New research has uncovered a connection between Alzheimer’s disease and alcohol use disorder, suggesting that alcohol consumption might accelerate the progression of Alzheimer’s disease. The study, conducted by scientists at Scripps Research and published in eNeuro, found that both conditions…
With the holiday release of the biopic A Complete Unknown, Bob Dylan is once again in the national spotlight. For me, the film provided a welcome excuse to read up on Dylan, who has always been a reputable source of…
Using AI training, researchers designed a “robot dog” that moves like a cat, and has no trouble navigating low-gravity environments
Researchers from Google and Stanford have created accurate AI replicas of more than 1,000 people.
A new study published in The Journal of Sexual Medicine provides new insights into female sexual attraction, revealing a striking discrepancy between implicit and explicit measures of gynephilia—the sexual preference for women. Scientists discovered that while only a small percentage…
It’s possible to compare some aspects of animal and human intelligence, but not all researchers like to.
Jan. 3, 2025: Our weekly roundup of the latest science in the news, as well as a few fascinating articles to keep you entertained over the weekend.
The US government finally got its metaphorical hands on Do Hyeong Kwon, the 33-year-old Korean national who built a financial empire on the cryptocurrency Luna and the “stablecoin” TerraUSD, only to see it all come crashing down in a wipeout…
It’s difficult to comprehend what 1,000 cubic kilometers of rock would look like. It’s even more difficult to imagine it being violently flung into the air. Yet the Yellowstone volcanic system blasted more than twice that amount of rock into…
Single crystal electrodes in lithium-ion electric vehicle batteries enable them to last several times longer than existing technology.
Last September, faulty door handle hardware caused Volkswagen to take the rather drastic steps of suspending sales and production of the electric crossover, as well as recalling almost 100,000 customer cars. Now, it says it has new parts that will…
Researchers developed a more precise method of understanding ancestry from ancient DNA and used it to identify previously unknown waves of migration.
One of the last easily visible lunar occultations of Saturn until 2037 will occur on Jan. 4.
Windows that can be darkened at the touch of a button are already reducing the need for aircon.
A 1,100-pound metal ring from a rocket smashed in to a Kenyan village, where it startled residents and flattened trees
Health officials have reported a rise in human metapneumovirus (HMPV) infections among children ages 14 and under in China, but the exact magnitude of this uptick is unclear.
Scientists have vastly reduced the temperatures and conditions needed to grow special diamonds for computing, making faster and more efficient computing chips a more realistic proposition.
The lamp depicts Jewish motifs from a time when Jewish worship was suppressed under the Romans.
An orca famous for carrying a dead calf around has once again been spotted with a deceased newborn on her head in Puget Sound, but there’s some good news for her endangered southern resident killer whale pod.
A recent case study published in BJPsych Open sheds light on the complex and sometimes contradictory outcomes of psilocybin-assisted psychotherapy for treatment-resistant depression. The case describes a participant in a clinical trial who experienced increased suicidal thoughts and severe eating…
A little over a year ago, Meta created Facebook and Instagram profiles for “28 AIs with unique interests and personalities for you to interact with and dive deeper into your interests.” Today, the last of those profiles is being taken…
With Valve’s impressive work on the Proton tool for Linux and the Mac’s Game Porting Toolkit and CrossOver options, few games are truly “Windows only” these days. The exceptions are those with aggressive, Windows-based anti-cheating tools baked in, something that…
Nvidia is reportedly gearing up to launch the first few cards in its RTX 50-series at CES next week, including an RTX 5090, RTX 5080, RTX 5070 Ti, and RTX 5070. The 5090 will be of particular interest to performance-obsessed,…
A recent study of young adults found that individuals with a high propensity for compulsive shopping exhibit greater difficulties in executive functioning. Further analysis indicated that these individuals struggle with inhibitory control, which fully explains the observed link. The research…
Although SpaceX founder Elon Musk is known for outspokenness and controversial comments on his social media site X, he has been relatively restrained when it comes to US space policy in recent years. For example, he has rarely criticized NASA…
When Honda gave the 11th-generation Civic Hatchback a refresh late last year, among the changes were the addition of a hybrid option to the lineup. There was already a lot to like about Honda’s compact, which eschews lamentable trends like…
High-speed video of experiments on a robotic hula hooper, whose hourglass form holds the hoop up and in place. Some version of the hula hoop has been around for millennia, but the popular plastic version was introduced by Wham-O in…
On Thursday, music publishers got a small win in a copyright fight alleging that Anthropic’s Claude chatbot regurgitates song lyrics without paying licensing fees to rights holders. In an order, US district judge Eumi Lee outlined the terms of a…
A recent study published in Behavioral Sciences has shed light on how consumer desires for products are influenced by environmental conditions. The findings show that perceived environmental harshness generally reduces product desire, though the extent of this effect depends on…
Researchers have excavated the largest dinosaur footprint site in the U.K. after a quarry worker found tracks left by two of Britain’s biggest Jurassic dinosaurs.
The Nikon 5×15 HG Monocular is tiny, but it promises the same high-quality build and lens of Nikon’s other optical devices. Will it live up to the high standard set by this premium manufacturer?
The JUNO experiment, which will study the ways of the electrically neutral subatomic particles, will be the largest of its kind.
A new study published in PLOS One suggests that humor can strengthen parent-child relationships and enhance the effectiveness of parenting strategies. This research is among the first to delve deeply into how humor could serve as a parenting tool, with…
When fast radio bursts (FRBs) were first detected in 2007, they were a complete enigma. As their name implies, these events involve a very brief eruption of radio emissions and then typically silence, though a few objects appear to be…
Tristan da Cunha is a group of islands in the South Atlantic that formed from the breakup of the supercontinent Gondwana. Today, it’s home to a tiny and extremely isolated farming community.
The James Webb Space Telescope can look deeper (and earlier) into the cosmos than any telescope before it. How much do you know about this wonder of technology and its incredible findings?
A recent study published in PLOS Computational Biology found that people with stronger autistic traits, particularly those with a preference for predictability, tend to exhibit unique curiosity-driven behaviors. These individuals showed persistence in tasks requiring sustained attention, often leading to…
Welcome to Edition 7.25 of the Rocket Report! Happy New Year! It’s a shorter edition of the newsletter this week because most companies (not named Blue Origin, this holiday season) took things easier over the last 10 days. But after…
As many of us celebrated the year-end holidays, a small group of researchers worked overtime tracking a startling discovery: At least 33 browser extensions hosted in Google’s Chrome Web Store, some for as long as 18 months, were surreptitiously siphoning…
A cyclist is pedaling down the street. Signs, trees and fire hydrants whip by. As the rider bikes along, their brain takes in information from what they’ve perceived but can no longer see. There are all sorts of info —…
Our roundup the biggest discoveries and top science in the news each week.
Quantum technology company Alice & Bob outlines its plan for quantum computing by 2030, but how feasible is that goal?