When you lift weights, walk up a steep hill or ride a bike, your body is continuously sending sensory signals to your brain. These signals paint a picture of the physical sensation of what you’re doing. Your brain then takes these signals and filters them through your past experience, goals, expectations and current emotional state[1].
It...
NASA’s search for evidence of past life on Mars just produced an exciting update. On Sept. 10, 2025, a team of scientists published a paper[1] detailing the Perseverance rover’s investigation of a distinctive rock outcrop called Bright Angel on the edge of Mars’ Jezero Crater[2]. This outcrop is notable for its light-toned rocks with...
When the first cells appeared on Earth approximately 3.8 billion years ago[1], viruses were already here to greet them[2]. Ever since, viruses have been devising ways to infect cells, and cells have been responding by evolving ways to stop these infections. This evolutionary dance eventually led to the development of your immune system.
A...
Employers in science, technology, engineering and mathematics – commonly called the STEM industries – continue to struggle to attract female applicants[1]. In its 2024 jobs report, the National Science Board found that men outnumber women[2] almost 3-to-1 in STEM jobs that require at least a bachelor’s degree and over 8-to-1 in STEM jobs...