Screen time guidelines for kids and adolescents have shifted as research paints a more nuanced pictureGabriel E. Hales, Michigan State University
Bees of many species contain tiny magnetic particles – suggesting they may have an innate magnetic compass for navigationLaura Russo, University of Tennessee
Why you let down your guard on ads when scrolling on social mediaMatthew Pittman, University of Tennessee
What does it mean to be ‘quantum’? A physicist explains the basics behind Einstein’s spooky actions at a distanceAldo Romero, West Virginia University
Reptile fossil found in Brazil helps shed light on the common origins of dinosaurs and crocodilesMauricio Garcia, Universidade Federal de Santa Maria (UFSM)
The ball is round – and contrary to some keepers’ views, in this World Cup it has performed just fineJohn Eric Goff, Purdue University
Building a long-term base on the Moon will require extensive planning – a planetary geologist describes the considerations that go into itClive Neal, University of Notre Dame
A lack of pies for a pack of lies – what spoonerisms reveal about how the brain produces speechKaren Stollznow, University of Colorado Boulder; Griffith University
Why is Venus hotter than Mercury, when Mercury is closer to the Sun?Vahe Peroomian, USC Dornsife College of Letters, Arts and Sciences
Can Ozempic prevent cancer? A doctor explains why the headlines are easy to misreadZiyad Al-Aly, Washington University in St. Louis
What are supermassive black holes? Everything you need to know – and what astronomers are still learning – about these mysterious objectsMary Ogborn, Penn State
NASA announces its Artemis III crew, which will test important equipment and systems in Earth orbit and is testing public opinionMargaret Landis, Arizona State University
Asteroid or comet? Meteor or meteorite? How to identify and classify the rocks you see streaking through the skyAdam Lark, Hamilton College
Building data centers in space is an intriguing idea on paper, but major engineering challenges must be solvedSven Bilén, Penn State and Wangda Zuo, Penn State
Upcoming telescopes could shed light on dark matter – astronomers are looking for these ‘fingerprints’ of the elusive substanceMarco Ajello, Clemson University and Christopher Karwin, Clemson University
Supreme Court rules your cellphone location data is protected by the Fourth AmendmentAnne Toomey McKenna, Penn State
Drone use poised to soar as FAA homes in on rule change allowing pilots to fly them out of sightAgamemnon Crassidis, Rochester Institute of Technology
Powerful AI is making facial recognition better at identifying youVijayan Asari, University of Dayton
Creating synthetic life in a lab? SpudCell falls short of the goal, but raises even more useful questionsTara Deans, Georgia Institute of Technology
Cacti spines, snake fangs, snail love darts – oh my! How function drives the evolution of nature’s puncture toolsPhilip Anderson, University of Illinois Urbana-Champaign
Ivermectin isn’t a cancer miracle drug, but influencers claim otherwise – here’s how to avoid sprinting past scientific evidenceDannell D. Boatman, West Virginia University
Fishing for DNA – how a cup of river water can reveal secrets about human health, pollution and biodiversityJenny Whilde, University of Florida
The drawer problem: Why so many of us can’t let go of our old electronics, and what we can do about itEric Williams, Rochester Institute of Technology; Payam Saeedi, Rochester Institute of Technology, and Stacey Watson, University of Waterloo
Quantum sensors could spot hidden damage in the thousands of US bridges rated ‘structurally deficient’Alex Krasnok, Florida International University
Killing cancer requires immune cells to infiltrate tumors’ hostile microenvironment – sugar shields can help them break inCharles J. Dimitroff, Florida International University and Lee Seng Lau, Florida International University
Glucosamine supplements may speed memory loss from Alzheimer’s, new research showsRamon Sun, University of Florida
Kids learn to bully from adults’ threats, manipulation and criticism – a child psychologist explains how parents can model better tacticsAngela J. Narayan, University of Denver
Eroding a virtue: AI trains people to expect instant answers – and that’s bad news for patienceChristian B. Miller, Wake Forest University
Is my brain wired to never see a ghost? A psychologist on three factors that make a paranormal experience more likelyMelissa Maffeo, Wake Forest University
How you map numbers in your mind isn’t universal, even among people who read the same languageOlga Lazareva, Drake University and Reggie Gazes, Bucknell University
Kids ask the questions. Scholars answer them.Be sure to include your name, age and where you live. We won’t be able to answer every question, but we will do our best.Send in your question!
Why do baseball players put a black mark under their eyes?Adam Annaccone, University of Texas at Arlington
Who was the first transgender person?Ky Merkley, University of Illinois Urbana-Champaign and Nick Winters, Northwestern University