For many of us, a better diet means eating more fruit and vegetables.
We need to change how we produce, ship, eat and waste food to improve our health and that of the planet.
A woman casts her ballot at a polling station during a runoff presidential election in Bamako, Mali on Aug. 12, 2018.
Elections are supposed to hold politicians accountable: Officials who fear losing their seat will work harder for voters. But in some countries, political competition actually makes government worse.
New Zealand’s Prime Minister Jacinda Ardern has called for more kindness in politics.
NZ's Prime Minister Jacinda Ardern stands out internationally as she talks about doing politics differently. Yet, domestically, there's little discussion about priorities in foreign policy.
The leading causes of child injury in Ethiopia are road traffic crashes, burns, and drownings.
Ethiopia has a high number of injury-related deaths and disabilities among children.
Violence against students is very common in Uganda, even though corporal punishment was banned.
The UN has declared all violence against children a violation of human rights. But it still happens even in schools.
African-Americans are underrepresented in large-scale genetic and neuroscience studies.
African-Americans are severely underrepresented in genetics and neuroscience research. That could leave the treatments of the future out of their reach.
Researchers release a balloon carrying instruments to measure ozone levels above Antarctica.
Almost 30 years ago the world responded to the realisation that our ozone layer was in trouble. The resulting Montreal Protocol was a rare example of global cooperation, but there's no room for complacency.
These rats are in special cages for urine collection. Every year, millions of animals are used for testing chemicals that are used in industrial products.
Testing new industrial chemicals is essential for public health and the environment. But animal testing is costly, and too many chemicals are left untested. A new AI tool may solve the problem.
I’ll try to be there for you 100 percent.
Many dog owners have tales of their faithful companion licking away their tears. Researchers investigated whether, beyond being comforting, canines would actually take action to help an upset owner.
China’s aspirations of global dominance will hit a snag given the world’s other major powers identify democratic values as central to their national identies. Only China and Russia do not. Russian President Vladimir Putin and Chinese President Xi Jinping in Beijing in June 2018.
(AP Photo/Dake Kang)
New research suggests the values and identities of the world's great powers present a major barrier to China's aspirations of global domination. Do not bet on China’s hegemonic prospects just yet.
Photo by Kat J on Unsplash
Separating children from their parents is not just a psychological stress, it's a DNA stress. Scientific research shows that early life stress may have irreversible effects on how DNA works in the cells of the body.
Very few laboratories in Uganda are accredited.
Arne Hoel / World Bank
Considerable effort has gone into improving laboratory services in many African countries. But the quality of tests is questionable.
Former U.S. president Richard Nixon is seen here with Pierre Trudeau in Ottawa in 1972. Nixon was bitterly opposed to Canada’s Auto Pact moves 50 years ago, saying Canada had cheated at the expense of American jobs and investment. He refused calls to exempt Canada from an import surcharge.
(THE CANADIAN PRESS)
U.S. President Donald Trump has exempted Canada, for now, from hefty tariffs on steel. An increase in defence spending would likely stand Canada in greater stead with the president.
Bipartisan laughter: Eisenhower with GOP Sen. William Knowland and Democratic Sen. Lyndon Johnson.
The current period of partisan division in the US isn't unique. We can learn from past President Dwight Eisenhower on how to leave bitterness behind and get back to what he called the "Middle Way."
When should you ask your doctor for opioids?
Monkey Business Images/Shutterstock.com
A scholar explains why there is no one answer. Some pain is devastating, and sometimes such pain responds well to opioids. On the other hand, there is evidence that some physicians overprescribe.
African cities are failing to raise development funds through bond markets.
Shale gas drilling site, in Lycoming County, Pennsylvania.
Nicholas A. Tonelli
Natural gas is widely viewed as a clean fuel, but methane, its main component, is a powerful greenhouse gas. Two experts propose a plan for detecting and cutting methane leaks across North America.
Deaths from opioid, suicide and other public health threats could have been avoided.
Life expectancy has fallen for the second time in two years. That's not supposed to happen in a rich country like the US.
If New Zealand introduces a climate refugee visa, 100 Pacific Islanders could be granted access on the basis that their home islands are threatened by rising seas.
New Zealand's plan to create the world’s first humanitarian visa for climate refugees has to consider ways people from Pacific Island nations actually want to be assisted.
Novelist Chimamanda Ngozi Adichie after a reading of her book ‘Americanah’ in Lagos in 2013.
Akintunde Akinleye /Reuters
There is a thriving counter-current of transnational African literary life that confounds rather than caters to an international taste for "digestible" fiction.