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How wireless recharging works – and doesn't, yet

  • Written by Shashank Priya, Professor of Materials Science and Engineering, Pennsylvania State University
Just put the phone down, and it'll charge right up.Wisanu Boonrawd/Shutterstock.com

Though the days of hardwired wall-mounted phones are ending and wireless internet connections are common at home and on the go, people are still dependent on cords to charge their mobile devices. My research, and that of others in the field, is working toward the...

Read more: How wireless recharging works – and doesn't, yet

Worry over kids' excessive smartphone use is more justified than ever before

  • Written by Jean Twenge, Professor of Psychology, San Diego State University
Sleep deprivation among teens spiked after 2012 – just as smartphone use became common.GCapture/Shutterstock.com

Parents who fear their kids are spending too much time in front of screens now have more reason for concern.

New research funded by the National Institutes of Health found brain changes among kids using screens more than seven...

Read more: Worry over kids' excessive smartphone use is more justified than ever before

Who are Yemen's Houthis?

  • Written by Myriam Renaud, Principal Investigator and Project Director of the Global Ethic Project, Parliament of the World's Religions, University of Chicago
Supporters of Shiite Houthi rebels attend a rally in Sanaa, Yemen, in 2017.AP Photo/Hani Mohammed, File

Fully half of Yemen’s population – 14 million people – are on the brink of starvation. Some analysts blame their inability to access basic foodstuff on escalating conflict between two religious factions: the country’s...

Read more: Who are Yemen's Houthis?

Looking for a high-tech gift for a young child? Think playgrounds, not playpens

  • Written by Marina Umaschi Bers, Professor of Child Study and Human Development and Adjunct Professor of Computer Sciences, Tufts University
It can be hard to tell whether what's in the box will encourage development or just be a waste of time.AP Photo/Rogelio V. Solis

Shopping for a new high-tech gift for the child in your life this holiday season? It’s easy to be overwhelmed by all the options. Bright boxes, colorful apps and cute plastic robots will promise that learning...

Read more: Looking for a high-tech gift for a young child? Think playgrounds, not playpens

The key to our humanity isn't genetic, it's microbial

  • Written by Ian Myles, Head, Epithelial Therapeutics Unit, National Institute of Allergy and Infectious Diseases
The microbes that live in our gut are essential to good health.Alpha Tauri 3D Graphics/SHutterstock.com

What if the key to perfecting the human species were actually … yogurt?

The fantasy of trying to perfect humanity through genetics was recently reignited by the announcement of the Chinese scientist claiming to have made the first...

Read more: The key to our humanity isn't genetic, it's microbial

Why shaming your children on social media may make things worse

  • Written by Brian Edward Kinghorn, Assistant Professor of Educational Foundations, Marshall Univeristy
A New Jersey mother shows up at her son's class as a clown to get him to stop misbehaving in school. The boy's principal posted a video of the visit online.Instagram of Sean Larry

Matt Cox knew he would be criticized when he forced his 10-year-old daughter to walk 5 miles to school in 36-degree weather as her punishment for being suspended from the...

Read more: Why shaming your children on social media may make things worse

What winter solstice rituals tell us about indigenous people

  • Written by Rosalyn R. LaPier, Associate Professor of Environmental Studies, The University of Montana
The Blackfeet always faced their tipis towards the rising sun, including on winter solstice.Beinecke Library via Wikimedia Commons, CC BY

On the day of winter solstice, many Native American communities will hold religious ceremonies or community events.

The winter solstice is the day of the year when the Northern Hemisphere has the fewest hours of...

Read more: What winter solstice rituals tell us about indigenous people

No coups occurred in 2018. Will next year be so stable?

  • Written by Clayton Besaw, Research affiliate, Department of Political Science, University of Central Florida
Turkish people in Ankara attempting to stop a military coup against President Recep Tayyip Erdoğan on July 16, 2016.AP Photo

The past year may have felt politically tumultuous, between Saudi Arabia’s brazen killing of journalist Jamal Khashoggi in Turkey, the resurgence of authoritarianism in Eastern Europe and Donald Trump’s...

Read more: No coups occurred in 2018. Will next year be so stable?

In 2019, women's rights are still not explicitly recognized in US Constitution

  • Written by Deana Rohlinger, Professor of Sociology, Florida State University

Over nine decades, efforts to amend the U.S. Constitution to recognize women’s rights have faced major challenges.

Congress finally passed such legislation, known as the Equal Rights Amendment, in 1972. The amendment would recognize women’s equal rights to men under the law.

Despite concerted campaigns by women’s rights groups,...

Read more: In 2019, women's rights are still not explicitly recognized in US Constitution

Time travel is possible – but only if you have an object with infinite mass

  • Written by Gaurav Khanna, Professor of Physics, University of Massachusetts Dartmouth
Dr. Who used the this time machine, called the TARDIS, to travel through space and time on the BBC television show Dr. Who. Babbel1996 / Wikimedia Commons, CC BY-SA

The concept of time travel has always captured the imagination of physicists and laypersons alike. But is it really possible? Of course it is. We’re doing it right now,...

Read more: Time travel is possible – but only if you have an object with infinite mass

More Articles ...

  1. How big data has created a big crisis in science
  2. China's climate progress may have faltered in 2018, but it seems to be on the right path
  3. With a limited on-screen presence, autistic characters have emerged in another medium: fan fiction
  4. Brexit rooted more in elite politics than mass resentment
  5. Think teens need the sex talk? Older adults may need it even more
  6. You may not even need a telescope to see Comet 46P/Wirtanen in the night sky this month
  7. El glaciar peruano Quelccaya está en peligro, así como las personas que viven de él
  8. How stereo was first sold to a skeptical public
  9. Diamonds are forever – whether made in a lab or mined from the earth
  10. Don't worry about screen time – focus on how you use technology
  11. Where's my package? Common carrier freight lockers can ease city traffic and prevent failed deliveries
  12. Cannabis use in teens not a gateway to conduct problems, study suggests – but risks still exist
  13. Wisconsin GOP's power grab is a danger to democracy
  14. Cheap oil is blocking progress on climate change
  15. This Christmas tell your children the real Santa Claus story
  16. Your smartphone apps are tracking your every move – 4 essential reads
  17. Trump presidency's personnel turmoil stands in stark contrast to the ‘nice guy’ administration of George H. W. Bush
  18. Denying transgender identity has serious impact on mental health
  19. Do climate policies ‘kill jobs’? An economist on why they don’t cause massive unemployment
  20. Don't stress about what kind of Christmas tree to buy, but reuse artificial trees and compost natural ones
  21. You make decisions quicker and based on less information than you think
  22. Cámaras que identifican a infractores no suponen una mejora para la seguridad vial
  23. Myanmar debates women's rights amid evidence of pervasive sexual and domestic violence
  24. Trump administration seeks to strip more people of citizenship
  25. For many women, tracking their fertility can be an emotional whirlwind
  26. What we can learn from reading Sylvia Plath's copy of 'The Great Gatsby'
  27. How activists are fighting racial disparities in school discipline
  28. 5 things to know about Guantanamo Bay on its 115th birthday
  29. The Trump administration is scrapping a collaborative sage grouse protection plan to expand oil and gas drilling
  30. Those designer babies everyone is freaking out about – it's not likely to happen
  31. What French populists from the '50s can teach us about the 'yellow vests' roiling Paris today
  32. Saudi Arabia is allying with Russia to shore up oil prices as OPEC's power wanes
  33. John Chau may have been influenced by past evangelical missions and their belief in power of faith
  34. Nominating a crony, loyalist or old buddy for attorney general is a US presidential tradition
  35. Mass protests in Colombia mar president's first 100 days but reveal a nation marching toward peace
  36. Beware of natural supplements for sex gain and weight loss
  37. Fight for federal right to education takes a new turn
  38. I used facial recognition technology on birds
  39. Hunting for rare isotopes: The mysterious radioactive atomic nuclei that will be in tomorrow's technology
  40. 3 ways Facebook and other social media companies could clean up their acts – if they wanted to
  41. Could a recession be just around the corner?
  42. Zika y embarazo: análisis de sangre prenatal podría predecir malformaciones fetales
  43. Syria may be using chemical weapons against its citizens again – here's how international law has changed to help countries intervene
  44. Why a 14th-century mystic appeals to today's 'spiritual but not religious' Americans
  45. We've been studying a glacier in Peru for 14 years – and it may reach the point of no return in the next 30
  46. From pledges to action: Cities need to show their climate progress with hard data
  47. The John Birch Society is still influencing American politics, 60 years after its founding
  48. The web really isn't worldwide – every country has different access
  49. Countering misinformation about flu vaccine is harder than it seems
  50. Climate change resilience could save trillions in the long run – but finding billions now to pay for it is the hard part