Octopuses have three hearts and a nervous system distributed through their arms. American researchers are revealing how their senses and movements work—while their conscious experience remains a scientific question.
A UCLA brain-imaging study found that students who reported greater loneliness showed less synchronized responses to the same videos—even after accounting for friendships. Here's what the research does, and does not, establish.
European regulators say TikTok’s recommendation feed may create harmful content loops. TikTok disputes the preliminary findings; the case has implications for American users and independent publishers.
SpaceX plans a 10-pad Starship spaceport near Pecan Island, Louisiana. Here is what is verified about the $100 billion proposal, orbital routes, jobs and environmental concerns.
New studies link adolescent social-media use with attention, sleep and small differences in brain development. Here is what researchers can—and cannot—conclude about American children.
Neuropixels probes can record hundreds of individual neurons simultaneously. See what large mouse studies and early human neurosurgery reveal—and why the technology is not a mind-reading device or approved treatment.
HHS has opened a conditional compounding pathway for six experimental peptides. None is FDA-approved for the promoted uses. What patients should know about the evidence and risks.
Can vitamin B3 or fern extract protect against the sun? New 2026 trials show reduced UV-related redness but no significant reduction in a measured DNA damage marker. Here's what the evidence means.
Chinese regulators have barred SoftBank from acquiring ABB Robotics’ operations in China, complicating a $5.375 billion global transaction and raising questions about industrial AI and U.S. manufacturing.
The Nasdaq sank 5.52% and the Dow lost 1,833 points on November 5 as investors questioned AI and data-center growth. Here's what the numbers mean for workers, retirement savings and the U.S. economy.
