Gooey birch tar helped our distant cousins make weapons and possibly treat wounds. The bark of birch trees has been used to produce tar for more than 150,000 years. The center photo shows birch bark tar condensed onto a rock that borders a hearth. When scraped off the rocks, the viscous tar can be used as both an adhesive and antibiotic. Breakthroughs, discoveries, and DIY tips sent six days a week.

Kentucky mother and daughter turn down $26.5MILLION to sell their farms to secretive tech giant that wants to build data center there Horrifying next twist in the Alexander brothers case: MAUREEN CALLAHAN exposes an unthinkable perversion that's been hiding in plain sight Hollywood icon who starred in Psycho after Hitchcock dubbed her'my new Grace Kelly' looks incredible at 95 Kylie Jenner's total humiliation in Hollywood: Derogatory rumor leaves her boyfriend's peers'laughing at her' behind her back Tucker Carlson erupts at Trump adviser as she hurls'SLANDER' claim linking him to synagogue shooting Ben Affleck'scores $600m deal' with Netflix to sell his AI film start-up Long hair over 45 is ageing and try-hard. I've finally cut mine off. Alexander brothers' alleged HIGH SCHOOL rape video: Classmates speak out on sickening footage... as creepy unseen photos are exposed Heartbreaking video shows very elderly DoorDash driver shuffle down customer's driveway with coffee order because he is too poor to retire Amber Valletta, 52, was a '90s Vogue model who made movies with Sandra Bullock and Kate Hudson, see her now Model Cindy Crawford, 60, mocked for her'out of touch' morning routine: 'Nothing about this is normal' The ominous signs the Gulf Stream is nearing COLLAPSE: Scientists identify'red flags' that hint key ocean current is inching closer to disaster READ MORE: One of the ocean's saltiest regions has become 30% less salty Scientists have identified several ominous'red flags' that hint that a key ocean current is nearing collapse. The Atlantic Meridional Overturning Circulation (AMOC) is a vast system of ocean currents, of which the Gulf Stream is just one small part. Together, these currents are responsible for bringing warm water up from the Tropics to North America and Europe, keeping our climate warm and stable.

This intervention significantly improves the performance of LLaMA models on the TruthfulQA benchmark.

Text-to-Image (T2I) has witnessed significant advancements, demonstrating superior performance for various generative tasks.

Reversed Words and Anagrams: Recall that these tasks are of the form "alaok =100 koala". Due to the short length of these tasks, we used 2-grams for filtering (ignoring101 punctuation).

Science Archaeology Who built Scandinavia's oldest wooden plank boat? An ancient fingerprint offers clues. Archeologists are closer to solving the Hjortspring Boat's mysteries. Breakthroughs, discoveries, and DIY tips sent every weekday. Archaeologists examining an ancient boat discovered in Denmark over a century ago are getting some help from a clue usually associated with crime scenes .

Can Bike Riders and Self-Driving Cars Be Friends? Some cycling advocates are on board with robotaxis. Others see the self-driving car boom as perpetuating auto dependency. Los Angeles is a car city, and it's rarely more obvious than from a vulnerable perch on top of a bicycle . Among big cities in the US, LA has a middling-to-bad reputation for bike riding.