There are a few other dangerous brown spiders to be aware of, but most common brown spiders in California are harmless. The three dangerous ones are the desert recluse, Chilean recluse, and brown ...

Killer whales have been filmed fashioning seaweed sticks to scratch each other’s backs in the first evidence of tool-making by marine mammals. Scientists spotted the behaviour in drone footage ...

Drones spot the “first evidence” of killer whales making tools out of seaweed, according to a new study. The orcas used the tools to groom one another.

Drones spot the “first evidence” of killer whales making tools out of seaweed, according to a new study. The orcas used the tools to groom one another.

“I was watching one of those really close-up videos when I saw something that looked like a brown stick between two whales that were in contact with each other,” Rachel John, an Exeter master ...

Drones spot the “first evidence” of killer whales making tools out of seaweed, according to a new study. The orcas used the tools to groom one another.