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Influence of extreme weather disasters on global crop production

nature16467.pdf
In recent years, several extreme weather disasters have partially or completely damaged regional crop production1, 2, 3, 4, 5. While detailed regional accounts of the effects of extreme weather disasters exist, the global scale effects of droughts,…

Holocene shifts in the assembly of plant and animal communities implicate human impacts

nature16447.pdf
Understanding how ecological communities are organized and how they change through time is critical to predicting the effects of climate change1. Recent work documenting the co-occurrence structure of modern communities found that most significant…

The best science images of 2015

528452a.pdf
From Pluto to viral structures, this year produced an array of dazzling pictures.

Grassland biodiversity bounces back from long-term nitrogen addition

nature16444.pdf
The negative effect of increasing atmospheric nitrogen (N) pollution on grassland biodiversity is now incontrovertible1, 2, 3. However, the recent introduction of cleaner technologies in the UK has led to reductions in the emissions of nitrogen…

Rarity in mass extinctions and the future of ecosystems

nature16160.pdf
The fossil record provides striking case studies of biodiversity loss and global ecosystem upheaval. Because of this, many studies have sought to assess the magnitude of the current biodiversity crisis relative to past crises—a task greatly…

Potential sea-level rise from Antarctic ice-sheet instability constrained by observations

nature16147.pdf
Large parts of the Antarctic ice sheet lying on bedrock below sea level may be vulnerable to marine-ice-sheet instability (MISI)1, a self-sustaining retreat of the grounding line triggered by oceanic or atmospheric changes. There is growing…

Thermal biases and vulnerability to warming in the world’s marine fauna

nature16144.pdf
A critical assumption underlying projections of biodiversity change associated with global warming is that ecological communities comprise balanced mixes of warm-affinity and cool-affinity species which, on average, approximate local environmental…

Soil biodiversity and human health

nature15744.pdf
Soil biodiversity sustains human health and its loss can be mitigated by sustainable management.

Agricultural policy: Govern our soils

528032a.pdf
Luca Montanarella calls for a voluntary international agreement to protect the ground beneath our feet from erosion and degradation.

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Global climate agreement: After the talks

527439a.pdf
The real business of decarbonization begins after an agreement is signed at the Paris climate conference, argue David G. Victor and James P. Leape.

The effects of life history and sexual selection on male and female plumage colouration

nature15509.pdf
Classical sexual selection theory1, 2, 3, 4 provides a well-supported conceptual framework for understanding the evolution and signalling function of male ornaments. It predicts that males obtain greater fitness benefits than females through multiple…

North Pacific deglacial hypoxic events linked to abrupt ocean warming

nature15753.pdf
Marine sediments from the North Pacific document two episodes of expansion and strengthening of the subsurface oxygen minimum zone (OMZ) accompanied by seafloor hypoxia during the last deglacial transition1, 2, 3, 4. The mechanisms driving this…

Sustainability: Transfer project cannot meet China's water needs

527295a.pdf
Better local water management is the way to keep pace with escalating demands, not pumping water across the country, warn Jon Barnett and colleagues.

Plate tectonics on the Earth triggered by plume-induced subduction initiation

nature15752.pdf
Scientific theories of how subduction and plate tectonics began on Earth—and what the tectonic structure of Earth was before this—remain enigmatic and contentious1. Understanding viable scenarios for the onset of subduction and plate tectonics2,…

Plate tectonics on the Earth triggered by plume-induced subduction initiation

nature15752.pdf
Scientific theories of how subduction and plate tectonics began on Earth—and what the tectonic structure of Earth was before this—remain enigmatic and contentious1. Understanding viable scenarios for the onset of subduction and plate tectonics2,…

Earth science: Deadly combination

New evidence suggests that seismic waves from the Chicxulub meteorite impact doubled the eruption rate of lavas on the opposite side of the planet — a combination that led to the mass extinction at the end of the Cretaceous period.

The Harvard Classics, Vol. 41. ENGLISH POETRY 2: COLLINS TO FITZGERALD

041_Harvard_Classics_text.pdf
The Harvard Classics, originally known as Dr. Eliot's Five Foot Shelf, is a 51-volume anthology of classic works from world literature, compiled and edited by Harvard University president Charles W. Eliot and first published in…

The Harvard Classics, Vol. 40. ENGLISH POETRY 1: CHAUCER TO GRAY

040_Harvard_Classics_text.pdf
The Harvard Classics, originally known as Dr. Eliot's Five Foot Shelf, is a 51-volume anthology of classic works from world literature, compiled and edited by Harvard University president Charles W. Eliot and first published in…

The Harvard Classics, Vol. 39. PREFACES AND PROLOGUES

039_Harvard_Classics_text.pdf
The Harvard Classics, originally known as Dr. Eliot's Five Foot Shelf, is a 51-volume anthology of classic works from world literature, compiled and edited by Harvard University president Charles W. Eliot and first published in…

Conductivity Probe - Tech Tips

A short video about the tool.