Being tired behind the wheel can be as dangerous as driving while drunk1. Yet, whereas showing up to work intoxicated can lead to dismissal, being visibly sleepy doesn’t tend to have comparable consequences — at least for now. Too hot to sleep? How heatwaves at night affect our health As employers learn more about the
The brains of people with depression seem to be worse at producing new neurons than are those of people without the disorder. That’s according to a study1 that includes the most comprehensive map of the cell types in the human adult hippocampus, a brain region involved in learning, memory and emotions. For more than 20
Get the Popular Science daily newsletter💡 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. You may unsubscribe at any time. Wacken Open Air
Intertwined Creatures: The Embodied Cognitive Science of Self and Other Anthony Chemero Columbia Univ. Press (2026) Consciousness research is having an AI moment. Will the hype help the field? What does it mean for a machine to be intelligent, sentient or conscious? Can the idea of legal rights for machines ever be meaningfully justified? Those
Goodwin, G. M. et al. N. Engl. J. Med. 387, 1637–1648 (2022). Article PubMed Google Scholar Carhart-Harris, R. L. Brain https://doi.org/10.1093/brain/awag206 (2026). Article Google Scholar Stoliker, D. et al. Nature https://doi.org/10.1038/s41586-026-10910-z (2026). Article Google Scholar Fox, M. D. & Raichle, M. E. Nature Rev. Neurosci. 8, 700–711 (2007). Article PubMed Google Scholar Girn, M. et
Mice All mice were group-housed and experiments were conducted in accordance with procedures approved by the Institutional Animal Care and Use Committees at the Massachusetts General Hospital and the Tufts University School of Medicine and NIH guidelines. All mice were housed in a 12-h (7:00 to 19:00) light–dark colony room at 22–24 °C, 30–50% humidity and