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Think teens need the sex talk? Older adults may need it even more

  • Written by Heather Honoré Goltz, Associate Professor, Social Work, University of Houston-Downtown
A senior couple being intimate. Photographee.eu/Shutterstock.com

Humans are sexual beings. This urge does not stop when the clock strikes 60. Or even 90.

Young adults may deny older relatives are having sex, but sexual activity is a strong indicator of healthy aging and vitality. In fact, sexual activity is roughly equal to climbing two flights of...

Read more: Think teens need the sex talk? Older adults may need it even more

You may not even need a telescope to see Comet 46P/Wirtanen in the night sky this month

  • Written by Shannon Schmoll, Director, Abrams Planetarium, Department of Physics and Astronomy, Michigan State University
A comet-gazing opportunity to close out the year.I MAKE PHOTO 17/Shutterstock.com

As comets blaze across the night sky, they can bring wonder and excitement to those watching from Earth – or even a sense of impending doom. In the past, people debated what comets even are – an atmospheric phenomenon, a fire in the sky, a star with a...

Read more: You may not even need a telescope to see Comet 46P/Wirtanen in the night sky this month

El glaciar peruano Quelccaya está en peligro, así como las personas que viven de él

  • Written by Mathias Vuille, Professor of Atmospheric and Environmental Sciences, University at Albany, State University of New York
El glaciar peruano Quelccaya, de gran valor económico y social, está desapareciendo junto a otros glaciares tropicales.Edubucher, CC BY-NC-SA

Los entornos en los que se encuentran las montañas más altas de Sudamérica, que en muchos casos reúnen picos de hasta 6.500 metros, concentran algunos de los...

Read more: El glaciar peruano Quelccaya está en peligro, así como las personas que viven de él

How stereo was first sold to a skeptical public

  • Written by Jonathan Schroeder, William A. Kern Professor in Communications, Rochester Institute of Technology
Record companies released stereo demonstration albums that showcased how sound could move from left to right, creating a sense of movement.From the collection of Janet Borgerson and Jonathan Schroeder, Author provided

When we hear the word “stereo” today, we might simply think of a sound system, as in “turn on the stereo.”

Bu...

Read more: How stereo was first sold to a skeptical public

Diamonds are forever – whether made in a lab or mined from the earth

  • Written by Joshua Wilhide, Manager of the Molecular Characterization and Analysis Complex, University of Maryland, Baltimore County
Are you in the market for some sparkle?clearviewstock/Shutterstock.com

It’s diamond season. Almost 40 percent of American engagements happen between Thanksgiving and Valentine’s Day, with Christmas the most popular day to pop the question – and hand over a sparkly piece of ice. Jewelry stores do at least double their usual monthly...

Read more: Diamonds are forever – whether made in a lab or mined from the earth

Don't worry about screen time – focus on how you use technology

  • Written by Margaret E. Morris, Affiliate Faculty in Human Centered Design and Engineering, University of Washington
Through creative off-label uses of technology, some people have improved close relationships and their health.KristinaZ/Shutterstock.com

Many Americans find themselves bombarded by expert advice to limit their screen time and break their addictions to digital devices – including enforcing and modeling this restraint for the children in their...

Read more: Don't worry about screen time – focus on how you use technology

Where's my package? Common carrier freight lockers can ease city traffic and prevent failed deliveries

  • Written by Barbara Ivanov, Director, Urban Freight Lab, University of Washington
Unloading packages and arranging them for delivery in New York City.AP Photo/Mark Lennihan

Online shopping is a big convenience for many Americans, but porch piracy can ruin the experience. For example, Mikaela Gilbert lived in a row house in West Philadelphia while she studied systems engineering at the University of Pennsylvania. By her junior...

Read more: Where's my package? Common carrier freight lockers can ease city traffic and prevent failed...

Cannabis use in teens not a gateway to conduct problems, study suggests – but risks still exist

  • Written by Dan Romer, Research Director, Annenberg Public Policy Center, University of Pennsylvania
Students rolling a joint in a classroom. Marijuana may not lead them to other drugs, a study suggests.fotoNino/Shutterstock.com

With the legalization of cannabis for adults becoming increasingly widespread, more adolescents will be trying the drug. And parents will be wondering what the consequences will be for their teens should they try and...

Read more: Cannabis use in teens not a gateway to conduct problems, study suggests – but risks still exist

Wisconsin GOP's power grab is a danger to democracy

  • Written by Christopher Beem, Managing Director of the McCourtney Institute of Democracy, Pennsylvania State University
The Wisconsin State CapitolWikipedia/RAHurd, CC BY-SA

In Wisconsin, Democratic candidates won the 2018 elections for governor and attorney general.

But the Republican-controlled legislature quickly introduced and passed lame-duck legislation that takes power away from these incoming officeholders and hands it to the state legislature, which will...

Read more: Wisconsin GOP's power grab is a danger to democracy

Cheap oil is blocking progress on climate change

  • Written by Scott L. Montgomery, Lecturer, Jackson School of International Studies, University of Washington
Ford's F-150 trucks are more popular when gas costs less.AP Photo/Carlos Osorio

The relationship between supply and demand, a fundamental economic concept, holds that when the price of something rises, people use less of it. Similarly, when prices fall, they use more.

And it may seem logical that low oil prices benefit consumers, countries, even...

Read more: Cheap oil is blocking progress on climate change

More Articles ...

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  3. Trump presidency's personnel turmoil stands in stark contrast to the ‘nice guy’ administration of George H. W. Bush
  4. Denying transgender identity has serious impact on mental health
  5. Do climate policies ‘kill jobs’? An economist on why they don’t cause massive unemployment
  6. Don't stress about what kind of Christmas tree to buy, but reuse artificial trees and compost natural ones
  7. You make decisions quicker and based on less information than you think
  8. Cámaras que identifican a infractores no suponen una mejora para la seguridad vial
  9. Myanmar debates women's rights amid evidence of pervasive sexual and domestic violence
  10. Trump administration seeks to strip more people of citizenship
  11. For many women, tracking their fertility can be an emotional whirlwind
  12. What we can learn from reading Sylvia Plath's copy of 'The Great Gatsby'
  13. How activists are fighting racial disparities in school discipline
  14. 5 things to know about Guantanamo Bay on its 115th birthday
  15. The Trump administration is scrapping a collaborative sage grouse protection plan to expand oil and gas drilling
  16. Those designer babies everyone is freaking out about – it's not likely to happen
  17. What French populists from the '50s can teach us about the 'yellow vests' roiling Paris today
  18. Saudi Arabia is allying with Russia to shore up oil prices as OPEC's power wanes
  19. John Chau may have been influenced by past evangelical missions and their belief in power of faith
  20. Nominating a crony, loyalist or old buddy for attorney general is a US presidential tradition
  21. Mass protests in Colombia mar president's first 100 days but reveal a nation marching toward peace
  22. Beware of natural supplements for sex gain and weight loss
  23. Fight for federal right to education takes a new turn
  24. I used facial recognition technology on birds
  25. Hunting for rare isotopes: The mysterious radioactive atomic nuclei that will be in tomorrow's technology
  26. 3 ways Facebook and other social media companies could clean up their acts – if they wanted to
  27. Could a recession be just around the corner?
  28. Zika y embarazo: análisis de sangre prenatal podría predecir malformaciones fetales
  29. Syria may be using chemical weapons against its citizens again – here's how international law has changed to help countries intervene
  30. Why a 14th-century mystic appeals to today's 'spiritual but not religious' Americans
  31. We've been studying a glacier in Peru for 14 years – and it may reach the point of no return in the next 30
  32. From pledges to action: Cities need to show their climate progress with hard data
  33. The John Birch Society is still influencing American politics, 60 years after its founding
  34. The web really isn't worldwide – every country has different access
  35. Countering misinformation about flu vaccine is harder than it seems
  36. Climate change resilience could save trillions in the long run – but finding billions now to pay for it is the hard part
  37. No president should assume office without a 'fitness for duty' exam
  38. La protección estricta del Amazonas fomenta la productividad agrícola en Brasil
  39. Medicaid work requirements: Where do they stand after the blue wave?
  40. Fecal microbiome transplantation shows promise in treating colitis
  41. What Hanukkah's portrayal in pop culture means to American Jews
  42. Why the rise of populist nationalist leaders rewrites global climate talks
  43. Stool transplantation shows promise treating cancer therapy side effect
  44. We asked artificial intelligence to analyze a graphic novel – and found both limits and new insights
  45. George H.W. Bush's overlooked legacy in space exploration
  46. WhatsApp skewed Brazilian election, proving social media's danger to democracy
  47. Chicago's Safe Passage program costs a lot, but it may provide students safer routes to school
  48. El acceso universal a Internet en México reduciría la pobreza
  49. Opening up mosquito research labs to the community
  50. White nationalist groups are really street gangs, and law enforcement needs to treat them that way