The Cretaceous-Paleogene boundary ~65.5 million years ago marks one of the three largest
mass extinctions in the past 500 million years. The extinction event coincided with a large …

Oxygen isotope analyses of well-preserved foraminifera from Blake Nose (30N paleolatitude,
North Atlantic) and globally distributed deep-sea sites provide a long-term …

A bioorthogonal organometallic reaction is a biocompatible transformation undergone by a
synthetic material exclusively through the mediation of a non-biotic metal source; a selective …

A compilation of foraminiferal stable isotope measurements from southern high latitude (SHL)
deep-sea sites provides a novel perspective important for understanding Earth's …

Estrogens play a significant role in the development, growth, invasion and metastasis of
ovarian tumors. The transcriptional program regulated by 17β-estradiol (E 2 ) in human ovarian …

… boundary (MacLeod and others, 2001a; MacLeod and others, … record (MacLeod and others,
2000, 2005; MacLeod and … during the mid-Maastrichtian (MacLeod and others, 2001b). …

Late Cretaceous fish debris from Demerara Rise exhibits a dramatic positive excursion of 8
ϵ Nd units during ocean anoxic event 2 (OAE2) that is superimposed on extremely low ϵ Nd(t…

Worldwide, up to 8.8 million excess deaths/year have been attributed to air pollution, mainly
due to the exposure to fine particulate matter (PM). Traffic-related noise is an additional …

A shift from the icehouse climate in which humans evolved to a Late Cretaceous–like
greenhouse climate is an often-repeated cautionary prediction of the consequences of continued …

The rate, timing, and pattern of change in different regions and paleoenvironments are critical
for distinguishing among potential causes for the Permian-Triassic (PT) extinction. Carbon …