Simulations find ghostly whirls of dark matter trailing galaxy arms - Ars Technica

Read also:

• Why does Islam give a bad vibe?
• What is the difference between anxiety and depressive neurosis?
• Do you think Japan will have same-sex marriage by 2030?
• Why do gun owners feel the need to defend themselves with deadly weapons? Can they not just talk things out like civilized people do?
• Are judges being lenient on hard criminals?
• Why is India lagging behind China in economic development when India is a democracy while China isn’t?
• Why is Tiananmen Square censored?
• What is the problem between Turkey and Greece?
• What do dreams about dead people mean?
• Why is blood sugar ranging from 70-180 in a day and checked through a glucometer?