Latest Issue of Science News

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green hermit hummingbird

DESIRABLE DINER  A green hermit hummingbird has a long bill that can sip more nectar than other birds from the tropical plant Heliconia tortuosa, triggering the plant to start reproducing.

LA Fog

FLEETING FOG  Fog in coastal Los Angeles has become much less frequent due to nighttime warming caused by urbanization, new research suggests.

TAKING THE BAIT  In an iron (FE) nanoparticle (blue) with an iron hydroxide shell containing oxygen (O, green), uranium (U, red) first takes the bait created by the shell and then is trapped inside the solid iron core.

VACUUM ATTRACTION  Fleeting electromagnetic waves nudge parallel plates together through a phenomenon called the Casimir effect, illustrated here. If the same thing works with gravitational waves, it could prove the existence of particles that transmit gravity.

Kepler 11

TIGHT FIT  The star Kepler 11 (illustrated) is home to six planets, five of which would fit inside the orbit of Mercury. Most solar systems might form with planets squished even closer together.



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