We summarize the week's scientific breakthroughs every Thursday.
Heat and humidity now severely limit light physical activity for millions of people around the world, with older adults facing the greatest burden.
People quickly normalize extreme weather. Simple visuals highlighting abrupt change could help climate change break through our mental blind spots.
Alaska’s glacial lakes are growing as glaciers retreat out of basins. These lakes will change desolate glacial rivers into thriving salmon habitat.
An analysis of global climate data shows sustained warming even as El Niño faded.
In 2025, the Trump administration froze or ended about 5,300 NIH and NSF research grants totaling over $5 billion in unspent funds, a decision that reshaped many fields of science.
Battles between the Trump administration and academic institutions are putting important biomedical advances in limbo.
Saving reproductive tissue from kids treated for cancer before adolescence could give them a chance at having biological children later in life.
Results from a large trial suggest baxdrostat could provide a new option for people whose blood pressure remains high despite standard treatment.
Vaccination is still important to ward off the worst of the coronavirus. Three experts discuss the concerns with restricting access.
