How SpaceX ignited a new Raptor engine on Starship without an explosion
So why don't all rocket engines have giant nozzles?
Science // Science & Exploration
Rocket Report: South Korea just misses orbit, Ariane 5 to set payload records
"We do not see any meaningful positive catalysts for the stock."
CDC advisory panel unanimously approves expanded COVID vaccine boosters
CDC hearing came the day after the FDA expanded its authorization for booster shots.
Poaching drove the evolution of tusk-free elephants
Researchers have identified genetic factors that stop tusk development.
Watch this wooden knife cut effortlessly through juicy, medium-well-done steak
Also: A hardened wood nail performed as well as its stainless steel counterpart.
Brazil’s Bolsonaro accused of “crimes against humanity” over COVID response
Brazilian lawmakers walked back initial claims of mass homicide and genocide.
Using recycled cathodes makes better lithium batteries, study finds
The materials create a more porous structure for the ions to negotiate.
Trapped in amber: Fossilized dinosaur-era crab bridges evolutionary gap
Discovery pushes back when crabs came to land, freshwater to 100 million years ago.
Could search engines be fostering some Dunning-Kruger?
Study shows that we think Internet searches are a sign we know more than we do.
Vikings were in North America by 1021 CE
An ancient cosmic ray event helped archaeologists pinpoint the date.
It’s not the heat, it’s the humidity that grounded Boeing’s Starliner
NASA negotiating with SpaceX for additional crew missions to space station.
DeSantis still fights masks—despite COVID surge, court loss, expert advice, etc.
DeSantis is still penalizing districts for issuing mask mandates despite legal limbo.
Rocket Report: Alpha launches and then blows up, ULA to stop selling Atlas V
"We're done. They're all sold."
The FAA grounds Virgin Galactic’s spaceship after flight deviation
"The most misleading statement today was Virgin Galactic's."
Cosmic indigestion: Swallowing a neutron star can cause a star to explode
Researchers argue that new observations are best explained by a theorized merger.
