More information Adding us as a Preferred Source in Google by using this link indicates that you would like to see more of our content in Google News results. Breakthroughs, discoveries, and DIY tips sent six days a week. By signing up, you confirm you are 16+, will receive newsletters and promotional content and agree to our Terms of Use and acknowledge the data practices in our Privacy Policy . After spending the summer eating the fatty pink salmon swimming through Katmai National Park and Preserve in Alaska, it's time to celebrate the park's iconic brown bears (). Fat Bear Week begins on Tuesday, September 22, and here is everything you need to know.

More information Adding us as a Preferred Source in Google by using this link indicates that you would like to see more of our content in Google News results. Living building material can be 3D printed under simulated Martian conditions at -30 C and 0.01 atm (left). A microscopic view reveals the material's porous structure with polymers and engineered yeast highlighted in yellow (right). Breakthroughs, discoveries, and DIY tips sent six days a week. By signing up, you confirm you are 16+, will receive newsletters and promotional content and agree to our Terms of Use and acknowledge the data practices in our Privacy Policy .

The scientists examining the spider-tailed horned viper's bones were in for a surprise. More information Adding us as a Preferred Source in Google by using this link indicates that you would like to see more of our content in Google News results. Breakthroughs, discoveries, and DIY tips sent six days a week. By signing up, you confirm you are 16+, will receive newsletters and promotional content and agree to our Terms of Use and acknowledge the data practices in our Privacy Policy . In the wild, mimicry is an important tool for survival.

Max Brooks reflects on 20 years of'World War Z' More information Adding us as a Preferred Source in Google by using this link indicates that you would like to see more of our content in Google News results. Max Brooks released'World War Z' on September 12, 2006. Breakthroughs, discoveries, and DIY tips sent six days a week. By signing up, you confirm you are 16+, will receive newsletters and promotional content and agree to our Terms of Use and acknowledge the data practices in our Privacy Policy . A new virus emerges in rural China. Although those who contract it initially display moderate, flu-like symptoms, their health quickly declines. The mortality rate is unclear, but one aspect is immediately obvious--it's very contagious.

Proteinmaxxing isn't always healthier, especially as we age. More information Adding us as a Preferred Source in Google by using this link indicates that you would like to see more of our content in Google News results. Mark Dones (right) won a rib eating contest after eating seven ribs in two minutes at Toronto's RibFest in Centennial Park. But is all that protein actually good for him? Breakthroughs, discoveries, and DIY tips sent six days a week.

The satellite will be falling back to Earth within the next two months. More information Adding us as a Preferred Source in Google by using this link indicates that you would like to see more of our content in Google News results. This artist's concept shows NASA's Neil Gehrels Swift Observatory orbiting above Earth. Breakthroughs, discoveries, and DIY tips sent six days a week. By signing up, you confirm you are 16+, will receive newsletters and promotional content and agree to our Terms of Use and acknowledge the data practices in our Privacy Policy .

Science Dinosaurs Paleontologists discover first adult'T. More information Adding us as a Preferred Source in Google by using this link indicates that you would like to see more of our content in Google News results. An adult T. rex easily weighed over 17,000 pounds. Breakthroughs, discoveries, and DIY tips sent six days a week. By signing up, you confirm you are 16+, will receive newsletters and promotional content and agree to our Terms of Use and acknowledge the data practices in our Privacy Policy .

'Birds Supporting Birds' connects the Philadelphia Eagles with migrating seabirds Football fans and avian enthusiasts can follow four great shearwaters named Phil, Franklin, Hoagie, and Liberty. More information Adding us as a Preferred Source in Google by using this link indicates that you would like to see more of our content in Google News results. Great shearwaters rely on a small fish called the sea lance to fuel their migrations. Breakthroughs, discoveries, and DIY tips sent six days a week. By signing up, you confirm you are 16+, will receive newsletters and promotional content and agree to our Terms of Use and acknowledge the data practices in our Privacy Policy .

Classic sitcom'Friends' helps grad student endure 104 brain scans'All times [are] a good time to watch'Friends,' right?' More information Adding us as a Preferred Source in Google by using this link indicates that you would like to see more of our content in Google News results. Joshita Majumdar before heading into the scanner (left). Breakthroughs, discoveries, and DIY tips sent six days a week. By signing up, you confirm you are 16+, will receive newsletters and promotional content and agree to our Terms of Use and acknowledge the data practices in our Privacy Policy .

Yes, scientists really built a "tickle robot." Plus other weird things we learned this week. More information Adding us as a Preferred Source in Google by using this link indicates that you would like to see more of our content in Google News results. The origins of why we are ticklish remain a mystery, but we're starting to figure it out. Breakthroughs, discoveries, and DIY tips sent six days a week.