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Uber's data revealed nearly 6,000 sexual assaults. Does that mean it's not safe?

  • Written by Liberty Vittert, Professor of the Practice of Data Science, Washington University in St Louis
What's your safest option for a ride home?MikeDotta/Shutterstock.com

Since Uber released its first ever safety report on Dec. 5, the media has raised alarms for the 5,981 instances of sexual assault included in the document.

This also includes 464 reports of rape over a two-year period – 2017 to 2018.

Uber also reported 97 fatal car accidents...

Read more: Uber's data revealed nearly 6,000 sexual assaults. Does that mean it's not safe?

Asking people with memory loss about past holidays can help them recall happy times

  • Written by Michael R. Nadorff, Associate Professor of Psychology, Mississippi State University
Asking a person who is memory impaired to tell stories from bygone holidays may help trigger a happy memory.Lucky Business/Shutterstock.com

Many people love the holidays because they are a time to make happy memories with loved ones.

But what if you could do something that would help restore memories in some of the people you love?

Using a process...

Read more: Asking people with memory loss about past holidays can help them recall happy times

As rural Americans struggle for health care access, insurers may be making things worse

  • Written by Simon F. Haeder, Assistant Professor of Public Policy, Pennsylvania State University
Dr. Kyle Parks, the only surgeon at Evans Memorial Hospital in Claxton, Ga. The hospital struggles to stay in business while serving large numbers of rural poor.Russ Bynum/AP Photo

Living in rural America certainly comes with a number of benefits. There is less crime, access to the outdoors, and lower costs of living.

Yet, not everything is rosy...

Read more: As rural Americans struggle for health care access, insurers may be making things worse

The Earth needs multiple methods for removing CO2 from the air to avert worst of climate change

  • Written by David Goldberg, Lamont Research Professor, Columbia University
Reducing pollution will help stave off climate change but avoiding the worst effects means taking CO2 out of the atmosphere at large scale.AP Photo/J. David Ake

Concentrations of carbon dioxide in the atmosphere are higher than at any time in human history, and nine of the warmest years have occurred since 2005.

Even with the progress made in...

Read more: The Earth needs multiple methods for removing CO2 from the air to avert worst of climate change

'Organic' label doesn't guarantee that holiday ham was a happy pig

  • Written by Michael Haedicke, Associate Professor of Sociology, Drake University
Federal organic regulations require outdoor access for livestock -- but don't specify how much.US Dept. of Agriculture/flickr

This holiday season, Americans will buy some 20 million turkeys and 300 million pounds of ham.

Some of these turkeys and hams will be certified organic, reflecting the common belief that organically raised animals live...

Read more: 'Organic' label doesn't guarantee that holiday ham was a happy pig

The dangers of depicting Greta Thunberg as a prophet

  • Written by Ellen Boucher, Associate Professor of History, Amherst College
Climate activist Greta Thunberg listens during a meeting with climate scientists at the COP25 summit in Madrid, Spain.AP Photo/Paul White

She came from obscurity and ignited a global movement. Beginning with a small but persistent act of protest outside the Swedish parliament, she inspired millions to join her. Her fiery speech to the United...

Read more: The dangers of depicting Greta Thunberg as a prophet

Why are whales big, but not bigger?

  • Written by Matthew Savoca, Postdoctoral researcher, Stanford University
Minke whale.Jeremy Goldbogen, CC BY-ND

Both toothed and baleen (filter-feeding) whales are among the largest animals ever to exist. Blue whales, which measure up to 100 feet (30 meters) long and can weigh over 150 tons, are the largest animals in the history of life on Earth.

Although whales have existed on this planet for some 50 million years,...

Read more: Why are whales big, but not bigger?

How old should kids be to get phones?

  • Written by Fashina Aladé, Assistant Professor, Advertising and Public Relations, Michigan State University
Every kid should have their own cell phone. Or should they? Syda Productions/Shutterstock.com

Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to curiouskidsus@theconversation.com.

What age should kids get phones? – Yuvi, age 10, Dayton, Ohio

If it seems like all your...

Read more: How old should kids be to get phones?

‘Richard Jewell’ is only the latest film to depict a female journalist trading sex for scoops

  • Written by Joe Saltzman, Professor of Journalism and Communication, University of Southern California, Annenberg School for Communication and Journalism
Actress Olivia Wilde plays reporter Kathy Scruggs in 'Richard Jewell.'Invision/AP Images/Jordan Strauss

Criticshave lambasted Clint Eastwood’s new biographical drama, “Richard Jewell,” over its depiction of female reporter Kathy Scruggs, who’s played by actress Olivia Wilde.

During the 1996 Summer Olympics in Atlanta,...

Read more: ‘Richard Jewell’ is only the latest film to depict a female journalist trading sex for scoops

Supermassive black hole at the center of our galaxy may have a friend

  • Written by Smadar Naoz, Associate Professor of Physics & Astronomy, University of California, Los Angeles
An artist's conception of two black holes entwined in a gravitational tango.NASA/JPL-Caltech/SwRI/MSSS/Christopher Go

Do supermassive black holes have friends? The nature of galaxy formation suggests that the answer is yes, and in fact, pairs of supermassive black holes should be common in the universe.

I am an astrophysicist and am interested in a...

Read more: Supermassive black hole at the center of our galaxy may have a friend

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  3. Slave life's harsh realities are erased in Christmas tours of Southern plantations
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  5. Myanmar charged with genocide of Rohingya Muslims: 5 essential reads
  6. Examining how primates make vowel sounds pushes timeline for speech evolution back by 27 million years
  7. USMCA: The 3 most important changes in the new NAFTA and why they matter
  8. Mexican Mennonites combat fears of violence with a new Christmas tradition
  9. Like 'Little Women,' books by Zitkála-Šá and Taha Hussein are classics
  10. We calculated emissions due to electricity loss on the power grid – globally, it's a lot
  11. Not every campus is a political battlefield
  12. 5 new ways for schools to work with families
  13. What happens when black Americans leave their segregated hometowns
  14. 'Robotic blacksmithing': A technology that could revive US manufacturing
  15. Paul Volcker helped shape an independent Federal Reserve – a vital legacy that's under threat
  16. What can drones do to protect civilians in armed conflict?
  17. Fat-shaming pregnant women isn't just mean, it's harmful
  18. Millions of burnt trees and rusted cars: Post-disaster cleanup is expensive, time-consuming and wasteful
  19. Taliban negotiations resume, feeding hope of a peaceful, more prosperous Afghanistan
  20. Super rats or sickly rodents? Our war against urban rats could be leading to swift evolutionary changes
  21. How the 'extreme abstinence' of the purity movement created a sense of shame in evangelical women
  22. In its anti-'Medicare for All' push, the health insurance industry pulls from an old playbook
  23. A brief guide to how the China-US trade war will affect your holiday shopping
  24. What the Roman senate's grovelling before emperors explains about GOP senators' support for Trump
  25. New studies show discrimination widely reported by women, people of color and LGBTQ adults
  26. Risk rooted in colonial era weighs on Bahamas' efforts to rebuild after Hurricane Dorian
  27. What makes wine dry? It's easy to taste, but much harder to measure
  28. Why the holidays are a prime time for elder abuse, and what you can do to thwart it
  29. Payday lenders have embraced installment loans to evade regulations – but they may be even worse
  30. Why are kids today less patriotic?
  31. Nicolas Bourbaki: The greatest mathematician who never was
  32. Courts have avoided refereeing between Congress and the president, but Trump may force them to wade in
  33. Why it can be hard to stop eating even when you're full: Some foods may be designed that way
  34. What makes Christmas movies so popular
  35. Why the US military usually punishes misconduct but police often close ranks
  36. American influence could take the hit as Putin, Zelenskiy try to make peace in Donbass
  37. Large-scale education tests often come with side effects
  38. American influence could take the hit as Putin, Zelenskiy try to make peace in Ukraine
  39. From their balloons, the first aeronauts transformed our view of the world
  40. NPR is still expanding the range of what authority sounds like after 50 years
  41. Limited eating times could be a new way to fight obesity and diabetes
  42. Turning gray and into the red: The true cost of growing old in America
  43. 5 ways to check a college's financial health
  44. 'Stop-and-frisk' can work, under careful supervision
  45. An ethicist explains why philanthropy is no license to do bad stuff
  46. India's plan to identify 'illegal immigrants' could get some Muslims declared 'foreign'
  47. Why are moths attracted to light?
  48. Bolivia after Morales: An 'ungovernable country' with a power vacuum
  49. How toys became gendered – and why it’ll take more than a gender-neutral doll to change how boys perceive femininity
  50. What's in a title? When it comes to 'Doctor,' more than you might think