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

Read also:

• What are some fun/kinky things to do with your partner?
• Did Muhammad Ali ask Dundee to cut his gloves off before Eddie Futch stopped the fight in Thrilla in Manila?
• What is one thing you've learned from life?
• Why do Democrats look like snowflakes and Republicans look like Vikings?
• What does it mean to you to live a life that reflects biblical values?
• Do you believe that Jesus was God on Earth?
• What are my 10 favorite rock record album opening tracks?
• What firsthand information do you have on prisoner-on-prisoner sexual abuse/rape?
• How can we understand the mind of a Trump supporter?
• Why am I attracted to older men?
• I have the power to talk to aliens through using telepathy. Why do people think I'm crazy?