Abstract Many charities rely on donations to support their work addressing some of the world’s most pressing problems. We conducted a meta-review determine what interventions increase charitable donations. found 21 systematic reviews incorporating 1339 primary studies and over 2,139,938 participants. Our meta-meta-analysis estimated average effect an intervention donation size incidence: r = 0....

As long as astronomers have searched for exoplanets, the intrinsic variability of host stars has interfered with ability to reliably detect and confirm exoplanets. One particular source false positives is presence stellar magnetic or chromospheric activity that can mimic radial-velocity reflex motion a planet. Here we present results photometric data analysis known planet hosting star, BD-06 13...