Researchers have synthesized a family of artificial molecules that resemble the compounds that keep Antarctic and Arctic fish from freezing. (p. 119)

Researchers have coaxed the cage-like molecules of carbon-70 into zigzagging polymers. (p. 126)

Researchers have designed simple new films for indicating the presence of worrisome airborne chemicals. (p. 103)

Researchers have retracted their 1999 claim that they had created the heaviest member of the periodic table so far, element 118. (p. 68)

Researchers have found a type of carbon-carbon bond that's twice as long as the longest naturally occurring bond linking two carbon atoms. (p. 79)

Researchers have made individual superconductive carbon nanotubes that are just 0.4 nanometer wide. (p. 79)

Some nonstick coatings such as Teflon break down at high temperatures into undesirable compounds that persist in the environment. (p. 36)

Chemists report a scheme for creating a versatile color-based tagging system out of tiny atomic clusters, called quantum dots, that may enable scientists to track biomolecules with more finesse than ever. (p. 7)

Researchers have developed a new technique for attaching groups of atoms to the sides of carbon nanotubes, creating compounds with extraordinary strength and conductivity. (p. 390)

Chemists have devised a new way to stabilize highly reactive molecules called carbenes. (p. 392)

Researchers have discovered how the orientation of amino acid molecules can make a growing crystal take on either a right- or a left-handed form. (p. 373)