Categories: Technology

Tunas are still contaminated with mercury

Methylmercury is consumed by all marine life, from plankton to the largest predators, including salmon, sharks and tuna.
Richard Carey / stock.adobe.com

Although atmospheric emissions have decreased in recent decades, levels reported in fish meat have not declined.

Tuna is one of the most popular seafood products. It is also one of the most contaminated foods with mercury, a heavy metal harmful to health. Although atmospheric emissions have fallen in recent decades, consumption of these toxic substances has not, according to a study published Wednesday in Reviews. Environmental Science and

Technology Letters.

Gaseous mercury is naturally emitted into the atmosphere, but most human activities have increased its concentration in the atmosphere by 450% over five centuries.

Anas Mediu, a researcher at the Institute of Research for Development (IRD).

is” Mercury is naturally emitted into the atmosphere in the gaseous state, but also and most by human activities – burning coal, gold panning, cement or metals production – which has increased its concentration in the atmosphere by 450% in five. centuries is”, explains lead author of the study, Anas Mediu, a researcher at the Institute of Research for Development (IRD). Very unstable, mercury can travel across the planet in a few months. It will be deposited on land or in the oceans where part of it is converted to methylmercury (MeHg), its most common form…

This article is reserved for subscribers. You still have 85% to find.

Flash sale

-70% on Digital Subscriptions

Already subscribed? enter

Source link

Admin

Recent Posts

100 million degrees for 48 seconds: South Korea’s ‘artificial sun’ moves closer to nuclear revolution

This is a new record that scientists from the Korea Fusion Energy Institute (KFE) have…

6 months ago

The report offers solutions for insurers facing future growth in natural disasters

Damages associated with drought, floods, hail and other increasingly violent events are expected to increase…

6 months ago

You still have time to claim this exciting investigation

An estimated 9 million people in the United States are still waiting for their final…

6 months ago

IDF recognizes “serious mistake” in killing seven members of NGO World Central Kitchen

The death of seven humanitarian workers from the American NGO World Central Kitchen in an…

6 months ago

Fortnite Shop Apr 3, 2024 – Fortnite

Today, at one o'clock in the morning, Gamer updates it Boutique de Fortnite Through the…

6 months ago

Sharon Stone tried to make a Barbie movie in the 1990s

The Basic Instinct and Casino actress looks back at a time in Hollywood when adapting…

6 months ago