一项发布在《内科学年鉴》（Annals of Internal Medicine）上的新研究发现，每天一次长距离步行比多次短距离步行更有利于心脏健康，特别是对锻炼量较少的人来说。 The study looked at more than 33,000 adults aged 40 to 79 in the UK who walked fewer than 8,000 steps a day.

A family’s yacht was attacked by a pod of killer whales in the middle of the night, the latest in a series of similar incidents off the Portuguese coast. The Dutch family was sailing between Porto and ...

The attack took place off the coast of Nazare, a municipality in the Portuguese district of Leiria, as the family were ...

Today, 21.7 million copies of Who Would Win? books are in print. That doesn’t include the countless homemade Who Would Win?

Two species of seal live in the UK all year round – the grey seal and the harbour seal. These earless seals are found around much of our coastline and sometimes venture into our rivers too. The grey ...

Scientists confirmed that West Coast transient killer whales actually form two separate groups split between inner and outer coastal habitats. Inner-coast whales hunt smaller prey in shallow, ...

The video breaks down the lingering fear about whether killer whales pose a real danger to humans. It explains how their behavior in the wild differs from the perception created by their size and ...

Charvet Drucker was in a boat off Camano Island in Washington when she filmed the seal's escape from orcas Charvet Drucker shared a seal's escape from killer whales in a series of videos on Instagram ...

An orca swims alongside the carcass of a young great white shark. It's the first time scientists have observed the unusual behavior in Mexico's orcas. (Marco Villegas) Killer whales in northern Mexico ...

New research has confirmed that West Coast transient killer whales who live between British Columbia and California are two distinct subpopulations: inner and outer coast transients. Based on 16 years ...

Scientists have spotted orcas hunting a nursery of juvenile sharks for the first time, flipping them upside down and feeding on their energy-rich livers, a discovery that hints at changing seasonal ...

Orcas in the Gulf of California off the coast of Mexico have been spotted hunting young great white sharks by flipping them over to incapacitate them before eating their energy-filled liver, new ...