Heads-UP#65: From The Most Eco-Friendly Messaging Services to Iconic Horror Characters

November 2, 2018 | by Lynn Nyemba

  • Tabs on a web browser consume 5 grams of CO2 every time they refresh, so opened but unused tabs are actually bad for the environment. Same with emails, emails consume 19 grams of CO2 to send, so when you can, it’s best to use other messaging services like Slack or Whatsapp – Cécile


  • The horror film Nightmare on Elm Street came out in 1984. In it, a terrifying man in a broad-brimmed hat attacks victims in their beds. Freddy Krueger’s distinctive silhouette become an iconic symbol of fear for a generation. It’s possible that Krueger has infiltrated some of our nightmares—and that by sharing our stories on the internet, we are creating the stuff of others’ nightmares too – Ayesha


  • The number of identified Wiccans in the US has gone up from around 8,000 in 1990 to a whopping 1.5 million! – Lynn