Rachel Berkowitz

3 min read Rachel Berkowitz is a freelance science writer and editor with a Ph.D. in geophysics from the University of Cambridge. A prototype CubeSat is ready for testing. At 6.5 meters in diameter, the James Webb Space Telescope’s primary mirror captures more light than any telescope that’s ever been launched from Earth. But not every astronomer has US $10 billion to spend on a space telescope. So to help bring the cost of space-based

4 min read Rachel Berkowitz is a freelance science writer and editor with a Ph.D. in geophysics from the University of Cambridge. This implantable microphone, about the size of a grain of rice, shows promise for cochlear implants with no external hardware. JEFF LANG & HEIDI NAKAJIMA Cochlear implants—the neural prosthetic cousins of standard hearing aids—can be a tremendous boon for people with profound hearing loss. But many would-be users are turned off by the