Large-scale tornado outbreaks increasing in frequency

The frequency of large-scale tornado outbreaks is increasing in the United States, particularly when it comes to the most extreme events, according to new research.

Study characterizes key molecular tool in DNA repair enzymes

Oxidative damage to a cell's DNA is constant and destructive and a complex suite of enzymes have evolved to repair and maintain it. In an important new step in teasing out these complex processes, an enzyme component known as Zf-GRF, which is highly conserved in several enzymes and across species, has been shown to be a key molecular tools that binds and orients repair enzymes to DNA.

Study compiles data on 958 types of South American jellyfish

Detailed information on 958 distinct morphological types of jellyfish that inhabit the Atlantic and Pacific coasts of South America has been compiled by scientists. The study involved scientists from Argentina, Chile, Peru, Colombia and Uruguay.

Giant iceberg, 5,000 square kilometers, set to calve from Larsen C Ice Shelf, Antarctica

A huge iceberg looks set to break away from the Larsen C ice shelf on the Antarctic Peninsula. Satellite observations from December 2016 show a growing crack in the ice shelf which suggests that an iceberg with an area of up to 5,000 square kilometers is likely to calve soon.

Zooplankton rapidly evolve tolerance to road salt

A common species of zooplankton—the smallest animals in the freshwater food web—can evolve genetic tolerance to moderate levels of road salt in as little as two and a half months, according to new research.

Off-grid power in remote areas will require special business model to succeed

Low-cost, off-grid solar energy could provide significant economic benefit to people living in some remote areas, but a new study suggests they generally lack the access to financial resources, commercial institutions and markets needed to bring solar electricity to their communities.

Great Barrier Reef almost drowned; climate implications

The first comprehensive analysis of the Great Barrier Reef at a time of rapid sea-level rise during the beginning of the Last Interglacial found it almost died. The research shows the reef can be resilient but questions remain about cumulative impacts. The research also provides an accurate identification of the age of the fossil reef that grew before the modern Great Barrier Reef, some 129,000-121,000 years ago.

Open-source plant database confirms top US bioenergy crop

Scientists have confirmed that Miscanthus, long speculated to be the top biofuel producer, yields more than twice as much as switchgrass in the US using an open-source bioenergy crop database gaining traction in plant science, climate change, and ecology research.

Rocky mountain haze

An atmospheric scientist has found a correlation between the severity of drought in the Intermountain West and the summertime air quality, particularly the concentration of aerosol particles, in remote mountain wilderness regions.

Study examines ocean acidification effects on rockfish, a key California marine prey base

A new study examines how ocean acidification may negatively affect some juvenile rockfish, a key marine prey base to the Calif. ecosystem.

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Turpin captivity case: Children forgive parents for torture

The Turpin children tell the court they still love their parents as they are imprisoned for life.

Lyra McKee: Murdered journalist’s ‘dreams snuffed out’

Lyra McKee, who was shot dead during rioting in Londonderry, was a "tireless activist", says her partner.

Lyra McKee: Police release CCTV footage

Police release CCTV footage showing the person suspected of firing the shots that killed the journalist.