What Is Dark Matter?
The answer to this question is at the cutting edge of science, but one theory states that dark matter is nothing but ordinary matter in another dimension hovering right above us.
Every Wednesday Michio Kaku will be answering reader questions about physics and futuristic science. If you have a question for Dr. Kaku, just post it in the comment section below and check back on Wednesdays to see if he answers it.
Today, Dr. Kaku addresses a question posed by David Hernandez: If subatomic particles can be in two or more places at once, could parts of us be travelling back and forth between parallel universes and could these particles be dark matter?
A large new study uses an online game to inoculate people against fake news.
- Researchers from the University of Cambridge use an online game to inoculate people against fake news.
- The study sample included 15,000 players.
- The scientists hope to use such tactics to protect whole societies against disinformation.
Controversial map names CEOs of 100 companies producing 71 percent of the world's greenhouse gas emissions.
- Just 100 companies produce 71 percent of the world's greenhouse gases.
- This map lists their names and locations, and their CEOs.
- The climate crisis may be too complex for these 100 people to solve, but naming and shaming them is a good start.
Many governments do not report, or misreport, the numbers of refugees who enter their country.
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