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Smoke rising near the town of Hostomel and the Antonov Airport, in northwest Kyiv, Ukraine, on Nov. 24. Daniel Leal/AFP via Getty Images)

Military experts react to Ukraine invasion, assess potential for widespread aggression and risks to US

The Conversation asked three scholars to briefly explain what this attack means for the people of Ukraine and the world.
Donetsk residents celebrate recognition of independence of the Donetsk and Lugansk People’s Republics by Russia on Feb. 21, 2022. Alexander RyuAlexander Ryumin\TASS via Getty Images

A historian corrects misunderstandings about Ukrainian and Russian history

History has many uses, and not all of them are noble. That’s very much the case as the public gets a crash course from politicians about Ukrainian history.
Pet ownership can often enhance feelings of trust among strangers. FOTOGRAFIA INC./Collections E+ via Getty Images

How the presence of pets builds trust among people

The presence of pets makes people seem more trustworthy, research has found. People are more likely to help a stranger with a dog or another pet than a person without one.
Vaccination has allowed people to be more social again with much less risk of serious illness, but less cautious behaviors put people at an increased risk of catching the virus. Sabrina Bracher / iStock via Getty Images Plus

If I am vaccinated and get COVID-19, what are my chances of dying? The answer is surprisingly hard to find

Calculating your risk of death or hospitalization if you are infected with the coronavirus requires good data – notably, the total number of infections in the US. Unfortunately, that data is fuzzy.
Defending against cyberattacks increasingly means looking for patterns in large amounts of data – a task AI was made for. Yuichiro Chino/Moment via Getty Images

How AI is shaping the cybersecurity arms race

Artificial intelligence is emerging as a key cybersecurity tool for both attackers and defenders.
Women still have a long way to go to reach parity in the boardroom. Wanlee Prachyapanaprai/iStock via Getty Images

US counties with more civic engagement tend to have more women on local company boards of directors

A study of 3,000 companies found a correlation between local ‘social capital’ – which measures such variables as voter turnout and census response rates – and more women on corporate boards.