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

Read also:

• What happened to the American Russell Bentley from Texas that was fighting for the pro-Russian commies?
• Has anyone experienced an out of the body experience, as a child, years before you had ever heard the term or understood the implications?
• Why does my girlfriend keep asking me if I love her?
• How can the citizens of Russia accept the enormous difference between people? The richest 500 Russians own more than the poorest 99.8% of the entire Russian population combined. Why don't we see any protests?
• Long-term study ties midlife vascular health to later dementia risk - Medical Xpress
• Why in my 60s do I have a strong desire to suck cock and swallow?
• What do you do to make yourself sleep early?
• Why do women like black men?
• I’ve a dismissive avoidant partner who said that he’s overwhelmed by our relationship and that he wants to break up, how do I get him back?
• Why is only the left side of my vagina bleeding, on and off?
• How old is planet Earth? Is it 4.5 billion years old or 6,000 years old?
• What misfortune led to an important discovery?
• Here’s why exercise is so important if you’re a cancer survivor - The Washington Post
• Why do so many autistic adults deal with self-hatred?