Mar 15 Our ancestors in East Africa were making sophisticated tools far earlier than we thought By Teresa Carey Three new studies rewrite the timeline on early human innovation and long-distance trade. Continue reading
Mar 14 Watch 9:37 Probing the universe’s mysteries, Stephen Hawking proved the power of the human spirit By Miles O'Brien Stephen Hawking overcame the loss of his working limbs and voice to become the best-known theoretical physicist of his era, upending the scientific consensus that nothing escapes the intense gravity of black holes. Earning countless honors, he used his fame… Continue watching
Mar 14 Tired of extremely cold nor’easters? Arctic warming could be to blame By Nsikan Akpan A new study shows a strong relationship between Arctic warming and the most extreme winter weather in the eastern United States, dating back to 1990. Continue reading
Mar 09 Watch 2:59 When an adventurous skater bends thin ice, this frozen lake sings By PBS News Hour In our NewsHour Shares moment of the day, Swedish photographer Henrik Trygg captured the eerie, beautiful sounds of bending ice when he filmed his friend Mårten Ajne skating on a freshly frozen lake. Continue watching
Mar 09 The magic (and math) of skating on thin ice without falling in By Julia Griffin When skating on less than two inches of frozen water, plan ahead, be prepared and make sure it is the right kind of ice. Continue reading
Mar 09 Does Tamiflu work? We asked a scientist By Teresa Carey, Nsikan Akpan When the flu strikes, many rush to the doctor for Tamiflu, but there is debate over the complications it can treat. Continue reading
Jan 24 Finding a complete dolphin skeleton to study isn’t easy, unless you have a dolphin graveyard By Rashmi Shivni, Teresa Carey This dolphin and whale graveyard may hold the secrets to cetacean lifestyles. Continue reading
Jan 17 Reporter’s Notebook: Waiting in the dark for sea turtles to nest By Lorna Baldwin To find a sea turtle as she lay her nest, we had a few rules to follow. Continue reading
Jan 17 Watch 3:41 This graveyard gives scientists insight into lives of stranded dolphins By Teresa Carey In our NewsHour Shares moment of the day, a group of citizen scientists use a dolphin graveyard to uncover how the majestic mammals live. The NewsHour's Teresa Carey reports. Continue watching
Jan 12 Excess carbon is making freshwater lakes more acidic — at triple the rate of oceans By Teresa Carey A new study by Ruhr University aquatic biologists shows that freshwater acidification may be catching up -- and even surpassing -- ocean acidification in a race that may harm essential parts of the food chain -- like water fleas --… Continue reading