Some ingredients in those tiny particles can have big impacts.
Even the tidiest space has some dust. Researchers are investigating just what these indoor particles are made of and their possible implications for human health.
A worker recycling lead in a lead acid battery recovery facility.
National Institute for Occupational Safety and Health
Lead contamination is not just a problem for Flint, Michigan. It is an issue in many regions. One epidemiologist figured out how to measure past lead exposure using treasured biological samples.
Port Pirie has been a world-leading centre for lead and zinc smelting.
and processing since 1889.
Lead and zinc smelting may be big business in Port Pirie, but it's making the kids who live there sick. Something needs to change.
Honey can carry clues about where pollutants come from.
Urban pollutants are a health concern in growing cities. Scientists are turning to honey bees to help monitor contaminants in soil, water, air and plants.
Elon Musk may be on the hot seat for political donations and slurs against a British cave rescuer in Thailand, but his offer to pay for water filters in Flint, Mich., is laudable.
(AP Photo/Carlos Osorio)
If Elon Musk can help achieve safe drinking water more quickly for every home in Flint, Mich., then he should be lauded. Water is life.
Toppled road sign for a closed water distribution center in Flint, Mich.
Michigan officials have ended distribution of free bottled water in Flint, but many residents believe the city's water crisis is not over and have lost all trust in government.
Canada has done a remarkable job of reducing lead in people’s bodies. But the experience of Flint, Mich. – where children were exposed to toxic levels of lead – teaches us to remain cautious. Here, Flint citizens watch testimonies before the House Oversight and Government Reform Committee, in Washington during 2016.
(AP Photo/Andrew Harnik)
Reduced lead exposure has made us smarter and healthier. Could changes in regulatory agencies across North America endanger this?
A baby plays with blocks spelling out one of the most famous formulas in history.
A new report from the Environmental Defense Fund raises concerns about lead in our food supply. Here are some things you should consider.
Testing soils in back yards.
Lead contamination remains a persistent issue in urban soils.
Renewable resources are being exploited to the extent that there is a loss of species and future generations are threatened.
Michigan National Guard members distribute water to a line of residents in their cars in Flint, Michigan.
The Flint water crisis has left people across the country wondering if lead poisoning is a problem in their community. But it's very hard to find out how widespread this problem is.
The researchers found no link between lead exposure in childhood and fraud.
AAP Image/Dave Hunt
A new study has linked childhood exposure to lead in air and the likelihood of aggressive crimes related to impulsive behaviours in later life.
Lead can linger in bones.
X-ray via www.shutterstock.com.
Lead might not be in paint or gasoline anymore, but since it doesn't break down in the home or the environment it remains a problem throughout the U.S.
Lead exposure is more common than you think.
Children exposed to lead are at elevated risk for learning delays and academic issues.
The University of Michigan-Flint puts experts from academia in the same room as Flint community members, an innovative model for educating the community and forming the public health response.
Flint, Michigan residents couldn’t get answers about their water – so they did their own research.
A new model of citizen-led science is emerging – as in the case of Flint, Michigan's poisoned water. Rather than simply supporting scientists, citizens ask their own questions and set the research agenda.
Up until the 1940s, as much as half of U.S. water piping from main lines was made of lead.
A wake-up call from Flint: the U.S. has made great gains in reducing lead exposure, but the country is still saddled with millions of miles of water-carrying lead pipes.
Pregnant women in three Australian cities are not told that lead exposure during pregnancy is linked to miscarriage and early delivery.
Parents in three Australian states are being given misleading advice about the dangers of lead to babies and small children – including failing to warn pregnant women about miscarriage risks.
Children living closest to the mines had the lowest literacy and numeracy scores.
Children in mining and smelting towns who are exposed high levels of lead, arsenic and cadmium are more than twice as likely to have developmental disorders than the national average.
Noodle brand was an instant hit in India but the wider issue the country must tackle won't be so quick to solve.