Eggs of cuckoo finches and tawny-flanked prinias have grown more colorful in the last 40 years — a sign that the neighbors are locked in an evolutionary arms race.
African cuckoo finches (Anomalospiza imberbis) dump their eggs into the nests of tawny-flanked prinias (Prinia subflava). By laying eggs that mimic prinia clutches, cuckoo finches trick the prinia into caring for...
In 1844 Samuel Morse sent a telegram from Washington, D.C., to Baltimore using pulses of electrons to encode “What hath God wrought.” Now that message has gotten a reply, courtesy of physicist Kevin McFarland and a team of his colleagues.
“Neutrino” was the team’s tongue-in-cheek response, broadcast in the first-ever message carried by these ghostly particles. It was...
Letters to the Editor
Information as substrate In a recent article (“Enriched with information,” SN: 3/10/12, p. 22), you point out that some researchers consider consciousness to be a form of information. In another (“Bits of reality,” SN: 4/7/12, p. 26), you mention that increasing numbers of physicists are coming to regard information as the basic “stuff” from which our universe is made. Information as the...
HUMANS Learn what confidence means for group decision-making strategies in “Two heads sometimes better than one.”
MATTER & ENERGY A structural change in spider silk (below) makes it strong enough to string a violin. Read “Scientist fiddles with spider silk.”
BODY & BRAIN A physician describes controversial anatomical evidence for a fabled female erogenous...
June 9 Researchers hold car washes and bake sales nationwide to raise money and bring attention to budget cuts for planetary science programs. Find out more at bit.ly/SFcarwash
June 26 Learn about the science of local food at the New York Academy of Sciences in New York City. A panel discusses whether eating locally is more nutritious, tastier or better for the environment than...