In a new sign of toolmaking in marine mammals, orcas in the Pacific Northwest were recorded rubbing stalks of kelp against each other’s bodies, a study shows.
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In a new sign of toolmaking in marine mammals, orcas in the Pacific Northwest were recorded rubbing stalks of kelp against each other’s bodies, a study shows.
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A coffee break in the United States and elsewhere is a short rest period granted to employees in business and industry. An afternoon coffee break, or afternoon tea, often occurs as well.