David Goggins
Former Navy Seal
Career Development
Bryan Cranston
Critical Thinking
Liv Boeree
International Poker Champion
Emotional Intelligence
Amaryllis Fox
Former CIA Clandestine Operative
Chris Hadfield
Retired Canadian Astronaut & Author
from the world's big
Start Learning

Irish teen wins Google Science Fair for method to remove microplastics from water

Fionn Ferreira will receive $50,000 for winning Google's annual student competition.

Fionn Ferreira
  • Google holds an annual science fair that's open to students ages 13 to 18.
  • Fionn Ferreira won for developing an effective way to remove microplastics from water.
  • Microplastics can be found in many habitats around the world, posing a threat to marine life and, therefore, people who eat fish.

An Irish teenager has won the 2019 Google Science Fair for developing a method to remove microplastics from water. The idea came to 18-year-old Fionn Ferreira when he was kayaking and spotted a rock covered in bits of tiny plastic near his home in West Cork, Ireland.

"It got me thinking," Ferreira told Business Insider. "In chemistry, like attracts like."

So, for his project, Ferreira added oil and magnetite powder to water containing microplastics, defined as plastic bits 5 millimeters or smaller. (Magnetite is a naturally occurring, non-toxic iron oxide.)

This created a ferrofluid that combined with the microplastics, which are non-polar and "find it easier to go into suspension with the oil than remain suspended in the water," Ferreira wrote. Because ferrofluids are magnetized, Ferreira was able to use a magnet to extract the oil-magnetite-microplastics combination.

Tests showed that this extraction method removed an average of about 87 percent of microplastics from water. The method removed some microplastics more effectively than others, with washing-machine fibers as the easiest to remove, and polypropylene the hardest.

Ferreira hopes to scale his method for use at wastewater treatment facilities, where it would hopefully remove microplastics from wastewater before it makes its way to the oceans. Ferreira will receive $50,000 and STEM-related educational opportunities for winning the science fair, which Google has held annually since 2011.

Microplastics now pollute virtually all the world's ecosystems, posing a threat to marine life and, therefore, the humans who eat fish. In March, researchers at Bangor University described finding microplastics in every lake, river and reservoir they examined.

"It was startling. I wasn't expecting to find as much as we did," Christian Dunn at Bangor University, Wales, who led the work, told The Guardian. "It is quite depressing they were there in some of our country's most iconic locations. I'm sure Wordsworth would not be happy to discover his beloved Ullswater in the Lake District was polluted with plastic."

Microplastics exist not only in shallow waters and on the ocean surface in giant garbage patches, but also in seemingly large quantities in the deep ocean. So, while trapping microplastics at wastewater treatment facilities or corralling plastic and garbage with massive nets might slow pollution, Ferreira has a bigger strategy in mind.

"I'm not saying that my project is the solution," he told Business Insider. "The solution is that we stop using plastic altogether."

Remote learning vs. online instruction: How COVID-19 woke America up to the difference

Educators and administrators must build new supports for faculty and student success in a world where the classroom might become virtual in the blink of an eye.

Credit: Shutterstock
Sponsored by Charles Koch Foundation
  • If you or someone you know is attending school remotely, you are more than likely learning through emergency remote instruction, which is not the same as online learning, write Rich DeMillo and Steve Harmon.
  • Education institutions must properly define and understand the difference between a course that is designed from inception to be taught in an online format and a course that has been rapidly converted to be offered to remote students.
  • In a future involving more online instruction than any of us ever imagined, it will be crucial to meticulously design factors like learner navigation, interactive recordings, feedback loops, exams and office hours in order to maximize learning potential within the virtual environment.
Keep reading Show less

If the Pentagon Is Hiding Aliens from Us, the Zoo Hypothesis May Explain Why

An MIT astronomer famously explained why aliens haven't contacted us yet.

Supporting climate science increases skepticism of out-groups

A study finds people are more influenced by what the other party says than their own. What gives?

Protesters demanding action against climate change

Photo by Chris J Ratcliffe/Getty Images
Politics & Current Affairs
  • A new study has found evidence suggesting that conservative climate skepticism is driven by reactions to liberal support for science.
  • This was determined both by comparing polling data to records of cues given by leaders, and through a survey.
  • The findings could lead to new methods of influencing public opinion.
Keep reading Show less

What is counterfactual thinking?

Can thinking about the past really help us create a better present and future?

Jacob Lund / Shutterstock
Personal Growth
  • There are two types of counterfactual thinking: upward and downward.
  • Both upward and downward counterfactual thinking can be positive impacts on your current outlook - however, upward counterfactual thinking has been linked with depression.
  • While counterfactual thinking is a very normal and natural process, experts suggest the best course is to focus on the present and future and allow counterfactual thinking to act as a motivator when possible.
Keep reading Show less
Scroll down to load more…