“Scotty set course for the Red Planet and engage Ion engines on my command!” (The study was published in “Applied Physics Letters”http://go.shr.lc/1LZC3hG)
This is a clip from a long but excellently written article in The Atlantic by Ta-Nehisi Coates.
Politicians are suddenly eager to disown failed policies on American prisons, but they have failed to reckon with the history. Reconsidering Daniel Patrick Moynihan’s report on “The Negro Family,” 50 years later.
All lives matter. This is a story from long, long ago.
I’ve never shot or shot at any human being. This is the tale of a threatening phone call my mom told me to make in 1969 when I was 13 years old.
I LOVE the police, especially the ones here in Highland Park and Highwood Illinois. I get scared when I see a light top car in my rear view mirror. But when on my front porch with my bride I am reassured to see a marked car cruise by. We always smile and wave.
Clarity, specificity and humor are among the best tools for making kids grasp even simple questions like “What is a flame?” Science correspondent Miles O’Brien talks to actor Alan Alda and scientist Neil deGrasse Tyson about the need to explain science concepts to the public.
The US has led the way in the use of stealth aircraft in combat. Now the game could soon be up, as scientists in China and Russia are discovering ways to make the invisible visible. Mark Piesing reports
Epigenetic changes often serve to biologically prepare offspring for an environment similar to that of the parents, Yehuda explains. In this case, however, the needs of the fetus seem to have trumped that goal. With low levels of cortisol and high levels of the enzyme that breaks it down, many descendants of Holocaust survivors would be ill adapted to survive starvation themselves. In fact, that stress hormone profile might make them more susceptible to PTSD (below, yellow); previous studies have indeed suggested that the offspring of Holocaust survivors are more vulnerable to the effects of stress and are more likely to experience symptoms of PTSD. These descendants may also be at risk for age-related metabolic syndromes, including obesity, hypertension and insulin resistance, particularly in an environment of plenty.